diff --git a/clients/client-mediatailor/src/commands/ListAlertsCommand.ts b/clients/client-mediatailor/src/commands/ListAlertsCommand.ts
index 5194af5281a3..51694e32fe8a 100644
--- a/clients/client-mediatailor/src/commands/ListAlertsCommand.ts
+++ b/clients/client-mediatailor/src/commands/ListAlertsCommand.ts
@@ -60,6 +60,7 @@ export interface ListAlertsCommandOutput extends ListAlertsResponse, __MetadataB
  * //         "STRING_VALUE",
  * //       ],
  * //       ResourceArn: "STRING_VALUE", // required
+ * //       Category: "SCHEDULING_ERROR" || "PLAYBACK_WARNING" || "INFO",
  * //     },
  * //   ],
  * //   NextToken: "STRING_VALUE",
diff --git a/clients/client-mediatailor/src/models/models_0.ts b/clients/client-mediatailor/src/models/models_0.ts
index 494fb82443a6..63fd2863e412 100644
--- a/clients/client-mediatailor/src/models/models_0.ts
+++ b/clients/client-mediatailor/src/models/models_0.ts
@@ -14,7 +14,7 @@ export interface KeyValuePair {
   Key: string | undefined;
 
   /**
-   * <p>For <code>SCTE35_ENHANCED</code> output, defines a vaue. MediaTailor; takes this value, and its associated key, and generates the key/value pair within the <code>EXT-X-ASSET</code>tag. If you specify a value, you must also specify a corresponding key.</p>
+   * <p>For <code>SCTE35_ENHANCED</code> output, defines a value. MediaTailor; takes this value, and its associated key, and generates the key/value pair within the <code>EXT-X-ASSET</code>tag. If you specify a value, you must also specify a corresponding key.</p>
    */
   Value: string | undefined;
 }
@@ -175,6 +175,21 @@ export interface AdBreak {
   AdBreakMetadata?: KeyValuePair[];
 }
 
+/**
+ * @public
+ * @enum
+ */
+export const AlertCategory = {
+  INFO: "INFO",
+  PLAYBACK_WARNING: "PLAYBACK_WARNING",
+  SCHEDULING_ERROR: "SCHEDULING_ERROR",
+} as const;
+
+/**
+ * @public
+ */
+export type AlertCategory = (typeof AlertCategory)[keyof typeof AlertCategory];
+
 /**
  * @public
  * <p>Alert configuration parameters.</p>
@@ -204,6 +219,11 @@ export interface Alert {
    * <p>The Amazon Resource Name (ARN) of the resource.</p>
    */
   ResourceArn: string | undefined;
+
+  /**
+   * <p>The category that MediaTailor assigns to the alert.</p>
+   */
+  Category?: AlertCategory | string;
 }
 
 /**
diff --git a/clients/client-mediatailor/src/protocols/Aws_restJson1.ts b/clients/client-mediatailor/src/protocols/Aws_restJson1.ts
index 832875e8e375..f08f556e15e4 100644
--- a/clients/client-mediatailor/src/protocols/Aws_restJson1.ts
+++ b/clients/client-mediatailor/src/protocols/Aws_restJson1.ts
@@ -3814,6 +3814,7 @@ const de_Alert = (output: any, context: __SerdeContext): Alert => {
   return take(output, {
     AlertCode: __expectString,
     AlertMessage: __expectString,
+    Category: __expectString,
     LastModifiedTime: (_: any) => __expectNonNull(__parseEpochTimestamp(__expectNumber(_))),
     RelatedResourceArns: _json,
     ResourceArn: __expectString,
diff --git a/codegen/sdk-codegen/aws-models/mediatailor.json b/codegen/sdk-codegen/aws-models/mediatailor.json
index 8248581ec502..efaf5a505c80 100644
--- a/codegen/sdk-codegen/aws-models/mediatailor.json
+++ b/codegen/sdk-codegen/aws-models/mediatailor.json
@@ -158,12 +158,41 @@
             "smithy.api#documentation": "<p>The Amazon Resource Name (ARN) of the resource.</p>",
             "smithy.api#required": {}
           }
+        },
+        "Category": {
+          "target": "com.amazonaws.mediatailor#AlertCategory",
+          "traits": {
+            "smithy.api#documentation": "<p>The category that MediaTailor assigns to the alert.</p>"
+          }
         }
       },
       "traits": {
         "smithy.api#documentation": "<p>Alert configuration parameters.</p>"
       }
     },
+    "com.amazonaws.mediatailor#AlertCategory": {
+      "type": "enum",
+      "members": {
+        "SCHEDULING_ERROR": {
+          "target": "smithy.api#Unit",
+          "traits": {
+            "smithy.api#enumValue": "SCHEDULING_ERROR"
+          }
+        },
+        "PLAYBACK_WARNING": {
+          "target": "smithy.api#Unit",
+          "traits": {
+            "smithy.api#enumValue": "PLAYBACK_WARNING"
+          }
+        },
+        "INFO": {
+          "target": "smithy.api#Unit",
+          "traits": {
+            "smithy.api#enumValue": "INFO"
+          }
+        }
+      }
+    },
     "com.amazonaws.mediatailor#AvailMatchingCriteria": {
       "type": "structure",
       "members": {
@@ -2683,7 +2712,7 @@
         "Value": {
           "target": "smithy.api#String",
           "traits": {
-            "smithy.api#documentation": "<p>For <code>SCTE35_ENHANCED</code> output, defines a vaue. MediaTailor; takes this value, and its associated key, and generates the key/value pair within the <code>EXT-X-ASSET</code>tag. If you specify a value, you must also specify a corresponding key.</p>",
+            "smithy.api#documentation": "<p>For <code>SCTE35_ENHANCED</code> output, defines a value. MediaTailor; takes this value, and its associated key, and generates the key/value pair within the <code>EXT-X-ASSET</code>tag. If you specify a value, you must also specify a corresponding key.</p>",
             "smithy.api#required": {}
           }
         }