diff --git a/dotnet/samples/GettingStarted/AgentProviders/Agent_With_CustomImplementation/Program.cs b/dotnet/samples/GettingStarted/AgentProviders/Agent_With_CustomImplementation/Program.cs
index e89888da9e..5d4e77474a 100644
--- a/dotnet/samples/GettingStarted/AgentProviders/Agent_With_CustomImplementation/Program.cs
+++ b/dotnet/samples/GettingStarted/AgentProviders/Agent_With_CustomImplementation/Program.cs
@@ -41,8 +41,8 @@ public override JsonElement SerializeSession(AgentSession session, JsonSerialize
             return typedSession.Serialize(jsonSerializerOptions);
         }
 
-        public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedSession, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
-            => new(new CustomAgentSession(serializedSession, jsonSerializerOptions));
+        public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedState, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
+            => new(new CustomAgentSession(serializedState, jsonSerializerOptions));
 
         protected override async Task<AgentResponse> RunCoreAsync(IEnumerable<ChatMessage> messages, AgentSession? session = null, AgentRunOptions? options = null, CancellationToken cancellationToken = default)
         {
diff --git a/dotnet/src/Microsoft.Agents.AI.A2A/A2AAgent.cs b/dotnet/src/Microsoft.Agents.AI.A2A/A2AAgent.cs
index 30676a2336..3c4528a419 100644
--- a/dotnet/src/Microsoft.Agents.AI.A2A/A2AAgent.cs
+++ b/dotnet/src/Microsoft.Agents.AI.A2A/A2AAgent.cs
@@ -79,8 +79,8 @@ public override JsonElement SerializeSession(AgentSession session, JsonSerialize
     }
 
     /// <inheritdoc/>
-    public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedSession, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
-        => new(new A2AAgentSession(serializedSession, jsonSerializerOptions));
+    public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedState, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
+        => new(new A2AAgentSession(serializedState, jsonSerializerOptions));
 
     /// <inheritdoc/>
     protected override async Task<AgentResponse> RunCoreAsync(IEnumerable<ChatMessage> messages, AgentSession? session = null, AgentRunOptions? options = null, CancellationToken cancellationToken = default)
diff --git a/dotnet/src/Microsoft.Agents.AI.Abstractions/AIAgent.cs b/dotnet/src/Microsoft.Agents.AI.Abstractions/AIAgent.cs
index 537df0fc8f..f2af2680f1 100644
--- a/dotnet/src/Microsoft.Agents.AI.Abstractions/AIAgent.cs
+++ b/dotnet/src/Microsoft.Agents.AI.Abstractions/AIAgent.cs
@@ -143,18 +143,18 @@ public abstract class AIAgent
     /// <summary>
     /// Deserializes an agent session from its JSON serialized representation.
     /// </summary>
-    /// <param name="serializedSession">A <see cref="JsonElement"/> containing the serialized session state.</param>
+    /// <param name="serializedState">A <see cref="JsonElement"/> containing the serialized session state.</param>
     /// <param name="jsonSerializerOptions">Optional settings to customize the deserialization process.</param>
     /// <param name="cancellationToken">The <see cref="CancellationToken"/> to monitor for cancellation requests. The default is <see cref="CancellationToken.None"/>.</param>
-    /// <returns>A value task that represents the asynchronous operation. The task result contains a restored <see cref="AgentSession"/> instance with the state from <paramref name="serializedSession"/>.</returns>
-    /// <exception cref="ArgumentException">The <paramref name="serializedSession"/> is not in the expected format.</exception>
+    /// <returns>A value task that represents the asynchronous operation. The task result contains a restored <see cref="AgentSession"/> instance with the state from <paramref name="serializedState"/>.</returns>
+    /// <exception cref="ArgumentException">The <paramref name="serializedState"/> is not in the expected format.</exception>
     /// <exception cref="JsonException">The serialized data is invalid or cannot be deserialized.</exception>
     /// <remarks>
     /// This method enables restoration of conversation sessions from previously saved state,
     /// allowing conversations to resume across application restarts or be migrated between
     /// different agent instances.
     /// </remarks>
-    public abstract ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedSession, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default);
+    public abstract ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedState, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// Run the agent with no message assuming that all required instructions are already provided to the agent or on the session.
diff --git a/dotnet/src/Microsoft.Agents.AI.Abstractions/DelegatingAIAgent.cs b/dotnet/src/Microsoft.Agents.AI.Abstractions/DelegatingAIAgent.cs
index 6afc75b1d5..6945f22df8 100644
--- a/dotnet/src/Microsoft.Agents.AI.Abstractions/DelegatingAIAgent.cs
+++ b/dotnet/src/Microsoft.Agents.AI.Abstractions/DelegatingAIAgent.cs
@@ -81,8 +81,8 @@ public override JsonElement SerializeSession(AgentSession session, JsonSerialize
         => this.InnerAgent.SerializeSession(session, jsonSerializerOptions);
 
     /// <inheritdoc />
-    public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedSession, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
-        => this.InnerAgent.DeserializeSessionAsync(serializedSession, jsonSerializerOptions, cancellationToken);
+    public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedState, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
+        => this.InnerAgent.DeserializeSessionAsync(serializedState, jsonSerializerOptions, cancellationToken);
 
     /// <inheritdoc />
     protected override Task<AgentResponse> RunCoreAsync(
diff --git a/dotnet/src/Microsoft.Agents.AI.Abstractions/InMemoryAgentSession.cs b/dotnet/src/Microsoft.Agents.AI.Abstractions/InMemoryAgentSession.cs
index f2077cd844..05ffafaeb9 100644
--- a/dotnet/src/Microsoft.Agents.AI.Abstractions/InMemoryAgentSession.cs
+++ b/dotnet/src/Microsoft.Agents.AI.Abstractions/InMemoryAgentSession.cs
@@ -58,29 +58,29 @@ protected InMemoryAgentSession(IEnumerable<ChatMessage> messages)
     /// <summary>
     /// Initializes a new instance of the <see cref="InMemoryAgentSession"/> class from previously serialized state.
     /// </summary>
-    /// <param name="serializedSessionState">A <see cref="JsonElement"/> representing the serialized state of the session.</param>
+    /// <param name="serializedState">A <see cref="JsonElement"/> representing the serialized state of the session.</param>
     /// <param name="jsonSerializerOptions">Optional settings for customizing the JSON deserialization process.</param>
     /// <param name="chatHistoryProviderFactory">
     /// Optional factory function to create the <see cref="InMemoryChatHistoryProvider"/> from its serialized state.
     /// If not provided, a default factory will be used that creates a basic <see cref="InMemoryChatHistoryProvider"/>.
     /// </param>
-    /// <exception cref="ArgumentException">The <paramref name="serializedSessionState"/> is not a JSON object.</exception>
-    /// <exception cref="JsonException">The <paramref name="serializedSessionState"/> is invalid or cannot be deserialized to the expected type.</exception>
+    /// <exception cref="ArgumentException">The <paramref name="serializedState"/> is not a JSON object.</exception>
+    /// <exception cref="JsonException">The <paramref name="serializedState"/> is invalid or cannot be deserialized to the expected type.</exception>
     /// <remarks>
     /// This constructor enables restoration of in-memory threads from previously saved state, allowing
     /// conversations to be resumed across application restarts or migrated between different instances.
     /// </remarks>
     protected InMemoryAgentSession(
-        JsonElement serializedSessionState,
+        JsonElement serializedState,
         JsonSerializerOptions? jsonSerializerOptions = null,
         Func<JsonElement, JsonSerializerOptions?, InMemoryChatHistoryProvider>? chatHistoryProviderFactory = null)
     {
-        if (serializedSessionState.ValueKind != JsonValueKind.Object)
+        if (serializedState.ValueKind != JsonValueKind.Object)
         {
-            throw new ArgumentException("The serialized session state must be a JSON object.", nameof(serializedSessionState));
+            throw new ArgumentException("The serialized session state must be a JSON object.", nameof(serializedState));
         }
 
-        var state = serializedSessionState.Deserialize(
+        var state = serializedState.Deserialize(
             AgentAbstractionsJsonUtilities.DefaultOptions.GetTypeInfo(typeof(InMemoryAgentSessionState))) as InMemoryAgentSessionState;
 
         this.ChatHistoryProvider =
diff --git a/dotnet/src/Microsoft.Agents.AI.Abstractions/ServiceIdAgentSession.cs b/dotnet/src/Microsoft.Agents.AI.Abstractions/ServiceIdAgentSession.cs
index 36557d7204..cf00635984 100644
--- a/dotnet/src/Microsoft.Agents.AI.Abstractions/ServiceIdAgentSession.cs
+++ b/dotnet/src/Microsoft.Agents.AI.Abstractions/ServiceIdAgentSession.cs
@@ -42,24 +42,24 @@ protected ServiceIdAgentSession(string serviceSessionId)
     /// <summary>
     /// Initializes a new instance of the <see cref="ServiceIdAgentSession"/> class from previously serialized state.
     /// </summary>
-    /// <param name="serializedSessionState">A <see cref="JsonElement"/> representing the serialized state of the session.</param>
+    /// <param name="serializedState">A <see cref="JsonElement"/> representing the serialized state of the session.</param>
     /// <param name="jsonSerializerOptions">Optional settings for customizing the JSON deserialization process.</param>
-    /// <exception cref="ArgumentException">The <paramref name="serializedSessionState"/> is not a JSON object.</exception>
-    /// <exception cref="JsonException">The <paramref name="serializedSessionState"/> is invalid or cannot be deserialized to the expected type.</exception>
+    /// <exception cref="ArgumentException">The <paramref name="serializedState"/> is not a JSON object.</exception>
+    /// <exception cref="JsonException">The <paramref name="serializedState"/> is invalid or cannot be deserialized to the expected type.</exception>
     /// <remarks>
     /// This constructor enables restoration of a service-backed session from serialized state, typically used
     /// when deserializing session information that was previously saved or transmitted across application boundaries.
     /// </remarks>
     protected ServiceIdAgentSession(
-        JsonElement serializedSessionState,
+        JsonElement serializedState,
         JsonSerializerOptions? jsonSerializerOptions = null)
     {
-        if (serializedSessionState.ValueKind != JsonValueKind.Object)
+        if (serializedState.ValueKind != JsonValueKind.Object)
         {
-            throw new ArgumentException("The serialized session state must be a JSON object.", nameof(serializedSessionState));
+            throw new ArgumentException("The serialized session state must be a JSON object.", nameof(serializedState));
         }
 
-        var state = serializedSessionState.Deserialize(
+        var state = serializedState.Deserialize(
             AgentAbstractionsJsonUtilities.DefaultOptions.GetTypeInfo(typeof(ServiceIdAgentSessionState))) as ServiceIdAgentSessionState;
 
         if (state?.ServiceSessionId is string serviceSessionId)
diff --git a/dotnet/src/Microsoft.Agents.AI.CopilotStudio/CopilotStudioAgent.cs b/dotnet/src/Microsoft.Agents.AI.CopilotStudio/CopilotStudioAgent.cs
index 100417f9a6..192cd863db 100644
--- a/dotnet/src/Microsoft.Agents.AI.CopilotStudio/CopilotStudioAgent.cs
+++ b/dotnet/src/Microsoft.Agents.AI.CopilotStudio/CopilotStudioAgent.cs
@@ -67,8 +67,8 @@ public override JsonElement SerializeSession(AgentSession session, JsonSerialize
     }
 
     /// <inheritdoc/>
-    public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedSession, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
-        => new(new CopilotStudioAgentSession(serializedSession, jsonSerializerOptions));
+    public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedState, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
+        => new(new CopilotStudioAgentSession(serializedState, jsonSerializerOptions));
 
     /// <inheritdoc/>
     protected override async Task<AgentResponse> RunCoreAsync(
diff --git a/dotnet/src/Microsoft.Agents.AI.DurableTask/CHANGELOG.md b/dotnet/src/Microsoft.Agents.AI.DurableTask/CHANGELOG.md
index c0702abdce..db3eebde57 100644
--- a/dotnet/src/Microsoft.Agents.AI.DurableTask/CHANGELOG.md
+++ b/dotnet/src/Microsoft.Agents.AI.DurableTask/CHANGELOG.md
@@ -9,6 +9,7 @@
 - Removed AgentThreadMetadata and used AgentSessionId directly instead ([#3067](https://github.com/microsoft/agent-framework/pull/3067));
 - Renamed AgentThread to AgentSession ([#3430](https://github.com/microsoft/agent-framework/pull/3430))
 - Moved AgentSession.Serialize to AIAgent.SerializeSession ([#3650](https://github.com/microsoft/agent-framework/pull/3650))
+- Renamed serializedSession parameter to serializedState on DeserializeSessionAsync for consistency ([#3681](https://github.com/microsoft/agent-framework/pull/3681))
 
 ## v1.0.0-preview.251204.1
 
diff --git a/dotnet/src/Microsoft.Agents.AI.DurableTask/DurableAIAgent.cs b/dotnet/src/Microsoft.Agents.AI.DurableTask/DurableAIAgent.cs
index 5e9f923f96..3253ba3b65 100644
--- a/dotnet/src/Microsoft.Agents.AI.DurableTask/DurableAIAgent.cs
+++ b/dotnet/src/Microsoft.Agents.AI.DurableTask/DurableAIAgent.cs
@@ -64,15 +64,15 @@ public override JsonElement SerializeSession(AgentSession session, JsonSerialize
     /// <summary>
     /// Deserializes an agent session from JSON.
     /// </summary>
-    /// <param name="serializedSession">The serialized session data.</param>
+    /// <param name="serializedState">The serialized session data.</param>
     /// <param name="jsonSerializerOptions">Optional JSON serializer options.</param>
     /// <param name="cancellationToken">The cancellation token.</param>
     /// <returns>A value task that represents the asynchronous operation. The task result contains the deserialized agent session.</returns>
     public override ValueTask<AgentSession> DeserializeSessionAsync(
-        JsonElement serializedSession,
+        JsonElement serializedState,
         JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
     {
-        return ValueTask.FromResult<AgentSession>(DurableAgentSession.Deserialize(serializedSession, jsonSerializerOptions));
+        return ValueTask.FromResult<AgentSession>(DurableAgentSession.Deserialize(serializedState, jsonSerializerOptions));
     }
 
     /// <summary>
diff --git a/dotnet/src/Microsoft.Agents.AI.DurableTask/DurableAIAgentProxy.cs b/dotnet/src/Microsoft.Agents.AI.DurableTask/DurableAIAgentProxy.cs
index 0a1be7028e..0a09257d9b 100644
--- a/dotnet/src/Microsoft.Agents.AI.DurableTask/DurableAIAgentProxy.cs
+++ b/dotnet/src/Microsoft.Agents.AI.DurableTask/DurableAIAgentProxy.cs
@@ -27,10 +27,10 @@ public override JsonElement SerializeSession(AgentSession session, JsonSerialize
     }
 
     public override ValueTask<AgentSession> DeserializeSessionAsync(
-        JsonElement serializedSession,
+        JsonElement serializedState,
         JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
     {
-        return ValueTask.FromResult<AgentSession>(DurableAgentSession.Deserialize(serializedSession, jsonSerializerOptions));
+        return ValueTask.FromResult<AgentSession>(DurableAgentSession.Deserialize(serializedState, jsonSerializerOptions));
     }
 
     public override ValueTask<AgentSession> CreateSessionAsync(CancellationToken cancellationToken = default)
diff --git a/dotnet/src/Microsoft.Agents.AI.GitHub.Copilot/GitHubCopilotAgent.cs b/dotnet/src/Microsoft.Agents.AI.GitHub.Copilot/GitHubCopilotAgent.cs
index eb4b804ff8..92a87ee471 100644
--- a/dotnet/src/Microsoft.Agents.AI.GitHub.Copilot/GitHubCopilotAgent.cs
+++ b/dotnet/src/Microsoft.Agents.AI.GitHub.Copilot/GitHubCopilotAgent.cs
@@ -112,10 +112,10 @@ public override JsonElement SerializeSession(AgentSession session, JsonSerialize
 
     /// <inheritdoc/>
     public override ValueTask<AgentSession> DeserializeSessionAsync(
-        JsonElement serializedSession,
+        JsonElement serializedState,
         JsonSerializerOptions? jsonSerializerOptions = null,
         CancellationToken cancellationToken = default)
-        => new(new GitHubCopilotAgentSession(serializedSession, jsonSerializerOptions));
+        => new(new GitHubCopilotAgentSession(serializedState, jsonSerializerOptions));
 
     /// <inheritdoc/>
     protected override Task<AgentResponse> RunCoreAsync(
diff --git a/dotnet/src/Microsoft.Agents.AI.Purview/PurviewAgent.cs b/dotnet/src/Microsoft.Agents.AI.Purview/PurviewAgent.cs
index 21343912af..fa6f55a9ac 100644
--- a/dotnet/src/Microsoft.Agents.AI.Purview/PurviewAgent.cs
+++ b/dotnet/src/Microsoft.Agents.AI.Purview/PurviewAgent.cs
@@ -36,9 +36,9 @@ public override JsonElement SerializeSession(AgentSession session, JsonSerialize
     }
 
     /// <inheritdoc/>
-    public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedSession, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
+    public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedState, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
     {
-        return this._innerAgent.DeserializeSessionAsync(serializedSession, jsonSerializerOptions, cancellationToken);
+        return this._innerAgent.DeserializeSessionAsync(serializedState, jsonSerializerOptions, cancellationToken);
     }
 
     /// <inheritdoc/>
diff --git a/dotnet/src/Microsoft.Agents.AI.Workflows/WorkflowHostAgent.cs b/dotnet/src/Microsoft.Agents.AI.Workflows/WorkflowHostAgent.cs
index 3c7ff5542f..189ca43101 100644
--- a/dotnet/src/Microsoft.Agents.AI.Workflows/WorkflowHostAgent.cs
+++ b/dotnet/src/Microsoft.Agents.AI.Workflows/WorkflowHostAgent.cs
@@ -80,8 +80,8 @@ public override JsonElement SerializeSession(AgentSession session, JsonSerialize
         return workflowSession.Serialize(jsonSerializerOptions);
     }
 
-    public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedSession, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
-        => new(new WorkflowSession(this._workflow, serializedSession, this._executionEnvironment, this._checkpointManager, this._includeExceptionDetails, this._includeWorkflowOutputsInResponse, jsonSerializerOptions));
+    public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedState, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
+        => new(new WorkflowSession(this._workflow, serializedState, this._executionEnvironment, this._checkpointManager, this._includeExceptionDetails, this._includeWorkflowOutputsInResponse, jsonSerializerOptions));
 
     private async ValueTask<WorkflowSession> UpdateSessionAsync(IEnumerable<ChatMessage> messages, AgentSession? session = null, CancellationToken cancellationToken = default)
     {
diff --git a/dotnet/src/Microsoft.Agents.AI/ChatClient/ChatClientAgent.cs b/dotnet/src/Microsoft.Agents.AI/ChatClient/ChatClientAgent.cs
index 8c0d2feaa2..ee6db4830d 100644
--- a/dotnet/src/Microsoft.Agents.AI/ChatClient/ChatClientAgent.cs
+++ b/dotnet/src/Microsoft.Agents.AI/ChatClient/ChatClientAgent.cs
@@ -399,7 +399,7 @@ public override JsonElement SerializeSession(AgentSession session, JsonSerialize
     }
 
     /// <inheritdoc/>
-    public override async ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedSession, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
+    public override async ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedState, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
     {
         Func<JsonElement, JsonSerializerOptions?, CancellationToken, ValueTask<ChatHistoryProvider>>? chatHistoryProviderFactory = this._agentOptions?.ChatHistoryProviderFactory is null ?
             null :
@@ -410,7 +410,7 @@ public override async ValueTask<AgentSession> DeserializeSessionAsync(JsonElemen
             (jse, jso, ct) => this._agentOptions.AIContextProviderFactory.Invoke(new() { SerializedState = jse, JsonSerializerOptions = jso }, ct);
 
         return await ChatClientAgentSession.DeserializeAsync(
-            serializedSession,
+            serializedState,
             jsonSerializerOptions,
             chatHistoryProviderFactory,
             aiContextProviderFactory,
diff --git a/dotnet/src/Microsoft.Agents.AI/ChatClient/ChatClientAgentSession.cs b/dotnet/src/Microsoft.Agents.AI/ChatClient/ChatClientAgentSession.cs
index e5edb3b629..1a79ae64d1 100644
--- a/dotnet/src/Microsoft.Agents.AI/ChatClient/ChatClientAgentSession.cs
+++ b/dotnet/src/Microsoft.Agents.AI/ChatClient/ChatClientAgentSession.cs
@@ -115,7 +115,7 @@ internal set
     /// <summary>
     /// Creates a new instance of the <see cref="ChatClientAgentSession"/> class from previously serialized state.
     /// </summary>
-    /// <param name="serializedSessionState">A <see cref="JsonElement"/> representing the serialized state of the session.</param>
+    /// <param name="serializedState">A <see cref="JsonElement"/> representing the serialized state of the session.</param>
     /// <param name="jsonSerializerOptions">Optional settings for customizing the JSON deserialization process.</param>
     /// <param name="chatHistoryProviderFactory">
     /// An optional factory function to create a custom <see cref="AI.ChatHistoryProvider"/> from its serialized state.
@@ -128,18 +128,18 @@ internal set
     /// <param name="cancellationToken">The <see cref="CancellationToken"/> to monitor for cancellation requests.</param>
     /// <returns>A task representing the asynchronous operation. The task result contains the deserialized <see cref="ChatClientAgentSession"/>.</returns>
     internal static async Task<ChatClientAgentSession> DeserializeAsync(
-        JsonElement serializedSessionState,
+        JsonElement serializedState,
         JsonSerializerOptions? jsonSerializerOptions = null,
         Func<JsonElement, JsonSerializerOptions?, CancellationToken, ValueTask<ChatHistoryProvider>>? chatHistoryProviderFactory = null,
         Func<JsonElement, JsonSerializerOptions?, CancellationToken, ValueTask<AIContextProvider>>? aiContextProviderFactory = null,
         CancellationToken cancellationToken = default)
     {
-        if (serializedSessionState.ValueKind != JsonValueKind.Object)
+        if (serializedState.ValueKind != JsonValueKind.Object)
         {
-            throw new ArgumentException("The serialized session state must be a JSON object.", nameof(serializedSessionState));
+            throw new ArgumentException("The serialized session state must be a JSON object.", nameof(serializedState));
         }
 
-        var state = serializedSessionState.Deserialize(
+        var state = serializedState.Deserialize(
             AgentJsonUtilities.DefaultOptions.GetTypeInfo(typeof(SessionState))) as SessionState;
 
         var session = new ChatClientAgentSession();
diff --git a/dotnet/tests/Microsoft.Agents.AI.Abstractions.UnitTests/AIAgentTests.cs b/dotnet/tests/Microsoft.Agents.AI.Abstractions.UnitTests/AIAgentTests.cs
index c65cb66e59..900de7dc47 100644
--- a/dotnet/tests/Microsoft.Agents.AI.Abstractions.UnitTests/AIAgentTests.cs
+++ b/dotnet/tests/Microsoft.Agents.AI.Abstractions.UnitTests/AIAgentTests.cs
@@ -452,7 +452,7 @@ public override async ValueTask<AgentSession> CreateSessionAsync(CancellationTok
         public override JsonElement SerializeSession(AgentSession session, JsonSerializerOptions? jsonSerializerOptions = null)
             => throw new NotImplementedException();
 
-        public override async ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedSession, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
+        public override async ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedState, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
             => throw new NotImplementedException();
 
         protected override Task<AgentResponse> RunCoreAsync(
@@ -487,7 +487,7 @@ public MockAgentWithName(string? name, string? description)
         public override ValueTask<AgentSession> CreateSessionAsync(CancellationToken cancellationToken = default)
             => throw new NotImplementedException();
 
-        public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedSession, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
+        public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedState, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
             => throw new NotImplementedException();
 
         public override JsonElement SerializeSession(AgentSession session, JsonSerializerOptions? jsonSerializerOptions = null)
diff --git a/dotnet/tests/Microsoft.Agents.AI.Declarative.UnitTests/AggregatorPromptAgentFactoryTests.cs b/dotnet/tests/Microsoft.Agents.AI.Declarative.UnitTests/AggregatorPromptAgentFactoryTests.cs
index a0e3efcbb9..4a6709ac0a 100644
--- a/dotnet/tests/Microsoft.Agents.AI.Declarative.UnitTests/AggregatorPromptAgentFactoryTests.cs
+++ b/dotnet/tests/Microsoft.Agents.AI.Declarative.UnitTests/AggregatorPromptAgentFactoryTests.cs
@@ -66,7 +66,7 @@ public TestAgentFactory(AIAgent? agentToReturn = null)
 
     private sealed class TestAgent : AIAgent
     {
-        public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedSession, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
+        public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedState, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
         {
             throw new NotImplementedException();
         }
diff --git a/dotnet/tests/Microsoft.Agents.AI.Hosting.AGUI.AspNetCore.IntegrationTests/BasicStreamingTests.cs b/dotnet/tests/Microsoft.Agents.AI.Hosting.AGUI.AspNetCore.IntegrationTests/BasicStreamingTests.cs
index 8f2770679a..e8e5b7269c 100644
--- a/dotnet/tests/Microsoft.Agents.AI.Hosting.AGUI.AspNetCore.IntegrationTests/BasicStreamingTests.cs
+++ b/dotnet/tests/Microsoft.Agents.AI.Hosting.AGUI.AspNetCore.IntegrationTests/BasicStreamingTests.cs
@@ -283,8 +283,8 @@ internal sealed class FakeChatClientAgent : AIAgent
     public override ValueTask<AgentSession> CreateSessionAsync(CancellationToken cancellationToken = default) =>
         new(new FakeInMemoryAgentSession());
 
-    public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedSession, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default) =>
-        new(new FakeInMemoryAgentSession(serializedSession, jsonSerializerOptions));
+    public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedState, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default) =>
+        new(new FakeInMemoryAgentSession(serializedState, jsonSerializerOptions));
 
     public override JsonElement SerializeSession(AgentSession session, JsonSerializerOptions? jsonSerializerOptions = null)
         => throw new NotImplementedException();
@@ -350,8 +350,8 @@ internal sealed class FakeMultiMessageAgent : AIAgent
     public override ValueTask<AgentSession> CreateSessionAsync(CancellationToken cancellationToken = default) =>
         new(new FakeInMemoryAgentSession());
 
-    public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedSession, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default) =>
-        new(new FakeInMemoryAgentSession(serializedSession, jsonSerializerOptions));
+    public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedState, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default) =>
+        new(new FakeInMemoryAgentSession(serializedState, jsonSerializerOptions));
 
     public override JsonElement SerializeSession(AgentSession session, JsonSerializerOptions? jsonSerializerOptions = null)
     {
diff --git a/dotnet/tests/Microsoft.Agents.AI.Hosting.AGUI.AspNetCore.IntegrationTests/ForwardedPropertiesTests.cs b/dotnet/tests/Microsoft.Agents.AI.Hosting.AGUI.AspNetCore.IntegrationTests/ForwardedPropertiesTests.cs
index 4fad7ff1da..1872b9fbef 100644
--- a/dotnet/tests/Microsoft.Agents.AI.Hosting.AGUI.AspNetCore.IntegrationTests/ForwardedPropertiesTests.cs
+++ b/dotnet/tests/Microsoft.Agents.AI.Hosting.AGUI.AspNetCore.IntegrationTests/ForwardedPropertiesTests.cs
@@ -337,8 +337,8 @@ protected override async IAsyncEnumerable<AgentResponseUpdate> RunCoreStreamingA
     public override ValueTask<AgentSession> CreateSessionAsync(CancellationToken cancellationToken = default) =>
         new(new FakeInMemoryAgentSession());
 
-    public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedSession, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default) =>
-        new(new FakeInMemoryAgentSession(serializedSession, jsonSerializerOptions));
+    public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedState, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default) =>
+        new(new FakeInMemoryAgentSession(serializedState, jsonSerializerOptions));
 
     public override JsonElement SerializeSession(AgentSession session, JsonSerializerOptions? jsonSerializerOptions = null)
     {
diff --git a/dotnet/tests/Microsoft.Agents.AI.Hosting.AGUI.AspNetCore.IntegrationTests/SharedStateTests.cs b/dotnet/tests/Microsoft.Agents.AI.Hosting.AGUI.AspNetCore.IntegrationTests/SharedStateTests.cs
index 03102bf0ca..a20a7f6c04 100644
--- a/dotnet/tests/Microsoft.Agents.AI.Hosting.AGUI.AspNetCore.IntegrationTests/SharedStateTests.cs
+++ b/dotnet/tests/Microsoft.Agents.AI.Hosting.AGUI.AspNetCore.IntegrationTests/SharedStateTests.cs
@@ -420,8 +420,8 @@ stateObj is JsonElement state &&
     public override ValueTask<AgentSession> CreateSessionAsync(CancellationToken cancellationToken = default) =>
         new(new FakeInMemoryAgentSession());
 
-    public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedSession, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default) =>
-        new(new FakeInMemoryAgentSession(serializedSession, jsonSerializerOptions));
+    public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedState, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default) =>
+        new(new FakeInMemoryAgentSession(serializedState, jsonSerializerOptions));
 
     public override JsonElement SerializeSession(AgentSession session, JsonSerializerOptions? jsonSerializerOptions = null)
     {
diff --git a/dotnet/tests/Microsoft.Agents.AI.Hosting.AGUI.AspNetCore.UnitTests/AGUIEndpointRouteBuilderExtensionsTests.cs b/dotnet/tests/Microsoft.Agents.AI.Hosting.AGUI.AspNetCore.UnitTests/AGUIEndpointRouteBuilderExtensionsTests.cs
index d3ae1e5d72..896ba929cf 100644
--- a/dotnet/tests/Microsoft.Agents.AI.Hosting.AGUI.AspNetCore.UnitTests/AGUIEndpointRouteBuilderExtensionsTests.cs
+++ b/dotnet/tests/Microsoft.Agents.AI.Hosting.AGUI.AspNetCore.UnitTests/AGUIEndpointRouteBuilderExtensionsTests.cs
@@ -428,8 +428,8 @@ private sealed class MultiResponseAgent : AIAgent
         public override ValueTask<AgentSession> CreateSessionAsync(CancellationToken cancellationToken = default) =>
             new(new TestInMemoryAgentSession());
 
-        public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedSession, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default) =>
-            new(new TestInMemoryAgentSession(serializedSession, jsonSerializerOptions));
+        public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedState, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default) =>
+            new(new TestInMemoryAgentSession(serializedState, jsonSerializerOptions));
 
         public override JsonElement SerializeSession(AgentSession session, JsonSerializerOptions? jsonSerializerOptions = null)
         {
@@ -531,8 +531,8 @@ private sealed class TestAgent : AIAgent
         public override ValueTask<AgentSession> CreateSessionAsync(CancellationToken cancellationToken = default) =>
             new(new TestInMemoryAgentSession());
 
-        public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedSession, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default) =>
-            new(new TestInMemoryAgentSession(serializedSession, jsonSerializerOptions));
+        public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedState, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default) =>
+            new(new TestInMemoryAgentSession(serializedState, jsonSerializerOptions));
 
         public override JsonElement SerializeSession(AgentSession session, JsonSerializerOptions? jsonSerializerOptions = null)
         {
diff --git a/dotnet/tests/Microsoft.Agents.AI.Hosting.AzureFunctions.UnitTests/TestAgent.cs b/dotnet/tests/Microsoft.Agents.AI.Hosting.AzureFunctions.UnitTests/TestAgent.cs
index 8ece75304d..afacf590fb 100644
--- a/dotnet/tests/Microsoft.Agents.AI.Hosting.AzureFunctions.UnitTests/TestAgent.cs
+++ b/dotnet/tests/Microsoft.Agents.AI.Hosting.AzureFunctions.UnitTests/TestAgent.cs
@@ -17,7 +17,7 @@ public override JsonElement SerializeSession(AgentSession session, JsonSerialize
         => throw new NotImplementedException();
 
     public override ValueTask<AgentSession> DeserializeSessionAsync(
-        JsonElement serializedSession,
+        JsonElement serializedState,
         JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default) => new(new DummyAgentSession());
 
     protected override Task<AgentResponse> RunCoreAsync(
diff --git a/dotnet/tests/Microsoft.Agents.AI.UnitTests/AgentExtensionsTests.cs b/dotnet/tests/Microsoft.Agents.AI.UnitTests/AgentExtensionsTests.cs
index e703976a1e..a2bb76ea78 100644
--- a/dotnet/tests/Microsoft.Agents.AI.UnitTests/AgentExtensionsTests.cs
+++ b/dotnet/tests/Microsoft.Agents.AI.UnitTests/AgentExtensionsTests.cs
@@ -388,7 +388,7 @@ public override ValueTask<AgentSession> CreateSessionAsync(CancellationToken can
         public override JsonElement SerializeSession(AgentSession session, JsonSerializerOptions? jsonSerializerOptions = null)
             => throw new NotImplementedException();
 
-        public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedSession, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
+        public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedState, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
             => throw new NotImplementedException();
 
         public override string? Name { get; }
diff --git a/dotnet/tests/Microsoft.Agents.AI.UnitTests/TestAIAgent.cs b/dotnet/tests/Microsoft.Agents.AI.UnitTests/TestAIAgent.cs
index a394a8967e..db8f056218 100644
--- a/dotnet/tests/Microsoft.Agents.AI.UnitTests/TestAIAgent.cs
+++ b/dotnet/tests/Microsoft.Agents.AI.UnitTests/TestAIAgent.cs
@@ -27,8 +27,8 @@ internal sealed class TestAIAgent : AIAgent
     public override JsonElement SerializeSession(AgentSession session, JsonSerializerOptions? jsonSerializerOptions = null)
         => throw new NotImplementedException();
 
-    public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedSession, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default) =>
-        new(this.DeserializeSessionFunc(serializedSession, jsonSerializerOptions));
+    public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedState, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default) =>
+        new(this.DeserializeSessionFunc(serializedState, jsonSerializerOptions));
 
     public override ValueTask<AgentSession> CreateSessionAsync(CancellationToken cancellationToken = default) =>
         new(this.CreateSessionFunc());
diff --git a/dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/AgentWorkflowBuilderTests.cs b/dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/AgentWorkflowBuilderTests.cs
index 8fb1502fda..e58260c8b0 100644
--- a/dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/AgentWorkflowBuilderTests.cs
+++ b/dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/AgentWorkflowBuilderTests.cs
@@ -138,7 +138,7 @@ private class DoubleEchoAgent(string name) : AIAgent
         public override ValueTask<AgentSession> CreateSessionAsync(CancellationToken cancellationToken = default)
             => new(new DoubleEchoAgentSession());
 
-        public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedSession, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
+        public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedState, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
             => new(new DoubleEchoAgentSession());
 
         public override JsonElement SerializeSession(AgentSession session, JsonSerializerOptions? jsonSerializerOptions = null)
diff --git a/dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/InProcessExecutionTests.cs b/dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/InProcessExecutionTests.cs
index d24f6e263a..8517d68023 100644
--- a/dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/InProcessExecutionTests.cs
+++ b/dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/InProcessExecutionTests.cs
@@ -146,7 +146,7 @@ public SimpleTestAgent(string name)
 
         public override ValueTask<AgentSession> CreateSessionAsync(CancellationToken cancellationToken = default) => new(new SimpleTestAgentSession());
 
-        public override ValueTask<AgentSession> DeserializeSessionAsync(System.Text.Json.JsonElement serializedSession,
+        public override ValueTask<AgentSession> DeserializeSessionAsync(System.Text.Json.JsonElement serializedState,
             System.Text.Json.JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default) => new(new SimpleTestAgentSession());
 
         public override System.Text.Json.JsonElement SerializeSession(AgentSession session, System.Text.Json.JsonSerializerOptions? jsonSerializerOptions = null)
diff --git a/dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/RepresentationTests.cs b/dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/RepresentationTests.cs
index b267eb7027..c76d7be1b5 100644
--- a/dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/RepresentationTests.cs
+++ b/dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/RepresentationTests.cs
@@ -27,7 +27,7 @@ private sealed class TestAgent : AIAgent
         public override ValueTask<AgentSession> CreateSessionAsync(CancellationToken cancellationToken = default)
             => throw new NotImplementedException();
 
-        public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedSession, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
+        public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedState, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
             => throw new NotImplementedException();
 
         public override JsonElement SerializeSession(AgentSession session, JsonSerializerOptions? jsonSerializerOptions = null)
diff --git a/dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/RoleCheckAgent.cs b/dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/RoleCheckAgent.cs
index dabfc149a3..190f572582 100644
--- a/dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/RoleCheckAgent.cs
+++ b/dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/RoleCheckAgent.cs
@@ -16,7 +16,7 @@ internal sealed class RoleCheckAgent(bool allowOtherAssistantRoles, string? id =
 
     public override string? Name => name;
 
-    public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedSession, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
+    public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedState, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
         => new(new RoleCheckAgentSession());
 
     public override JsonElement SerializeSession(AgentSession session, JsonSerializerOptions? jsonSerializerOptions = null)
diff --git a/dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/Sample/06_GroupChat_Workflow.cs b/dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/Sample/06_GroupChat_Workflow.cs
index a19a70345b..f29c39a981 100644
--- a/dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/Sample/06_GroupChat_Workflow.cs
+++ b/dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/Sample/06_GroupChat_Workflow.cs
@@ -63,7 +63,7 @@ internal sealed class HelloAgent(string id = nameof(HelloAgent)) : AIAgent
     public override ValueTask<AgentSession> CreateSessionAsync(CancellationToken cancellationToken = default)
         => new(new HelloAgentSession());
 
-    public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedSession, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
+    public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedState, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
         => new(new HelloAgentSession());
 
     public override JsonElement SerializeSession(AgentSession session, JsonSerializerOptions? jsonSerializerOptions = null)
diff --git a/dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/TestEchoAgent.cs b/dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/TestEchoAgent.cs
index 13cc95e992..d66443f069 100644
--- a/dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/TestEchoAgent.cs
+++ b/dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/TestEchoAgent.cs
@@ -16,9 +16,9 @@ internal class TestEchoAgent(string? id = null, string? name = null, string? pre
     protected override string? IdCore => id;
     public override string? Name => name ?? base.Name;
 
-    public override async ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedSession, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
+    public override async ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedState, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
     {
-        return serializedSession.Deserialize<EchoAgentSession>(jsonSerializerOptions) ?? await this.CreateSessionAsync(cancellationToken);
+        return serializedState.Deserialize<EchoAgentSession>(jsonSerializerOptions) ?? await this.CreateSessionAsync(cancellationToken);
     }
 
     public override JsonElement SerializeSession(AgentSession session, JsonSerializerOptions? jsonSerializerOptions = null)
diff --git a/dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/TestReplayAgent.cs b/dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/TestReplayAgent.cs
index 282c168a14..065c751679 100644
--- a/dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/TestReplayAgent.cs
+++ b/dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/TestReplayAgent.cs
@@ -48,7 +48,7 @@ static ChatMessage ToMessage(string text)
     public override ValueTask<AgentSession> CreateSessionAsync(CancellationToken cancellationToken = default)
         => new(new ReplayAgentSession());
 
-    public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedSession, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
+    public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedState, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
         => new(new ReplayAgentSession());
 
     public override JsonElement SerializeSession(AgentSession session, JsonSerializerOptions? jsonSerializerOptions = null)
diff --git a/dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/TestRequestAgent.cs b/dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/TestRequestAgent.cs
index ce0be1b93e..6bed1e1649 100644
--- a/dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/TestRequestAgent.cs
+++ b/dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/TestRequestAgent.cs
@@ -37,7 +37,7 @@ public override ValueTask<AgentSession> CreateSessionAsync(CancellationToken can
             _ => throw new NotSupportedException(),
         });
 
-    public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedSession, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
+    public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedState, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
         => new(requestType switch
         {
             TestAgentRequestType.FunctionCall => new TestRequestAgentSession<FunctionCallContent, FunctionResultContent>(),
diff --git a/dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/WorkflowHostSmokeTests.cs b/dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/WorkflowHostSmokeTests.cs
index e8b8a229c1..276c0c3973 100644
--- a/dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/WorkflowHostSmokeTests.cs
+++ b/dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/WorkflowHostSmokeTests.cs
@@ -41,9 +41,9 @@ public Session(JsonElement serializedSession, JsonSerializerOptions? jsonSeriali
             { }
         }
 
-        public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedSession, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
+        public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedState, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
         {
-            return new(new Session(serializedSession, jsonSerializerOptions));
+            return new(new Session(serializedState, jsonSerializerOptions));
         }
 
         public override ValueTask<AgentSession> CreateSessionAsync(CancellationToken cancellationToken = default)