diff --git a/datafactoryv2/resource-manager/v2018_06_01/src/main/java/com/microsoft/azure/management/datafactoryv2/v2018_06_01/ControlActivity.java b/datafactoryv2/resource-manager/v2018_06_01/src/main/java/com/microsoft/azure/management/datafactoryv2/v2018_06_01/ControlActivity.java
index 706d6156fd17a..c6f119cc90408 100644
--- a/datafactoryv2/resource-manager/v2018_06_01/src/main/java/com/microsoft/azure/management/datafactoryv2/v2018_06_01/ControlActivity.java
+++ b/datafactoryv2/resource-manager/v2018_06_01/src/main/java/com/microsoft/azure/management/datafactoryv2/v2018_06_01/ControlActivity.java
@@ -21,6 +21,7 @@
     @JsonSubTypes.Type(name = "AppendVariable", value = AppendVariableActivity.class),
     @JsonSubTypes.Type(name = "SetVariable", value = SetVariableActivity.class),
     @JsonSubTypes.Type(name = "Filter", value = FilterActivity.class),
+    @JsonSubTypes.Type(name = "Validation", value = ValidationActivity.class),
     @JsonSubTypes.Type(name = "Until", value = UntilActivity.class),
     @JsonSubTypes.Type(name = "Wait", value = WaitActivity.class),
     @JsonSubTypes.Type(name = "ForEach", value = ForEachActivity.class),
diff --git a/datafactoryv2/resource-manager/v2018_06_01/src/main/java/com/microsoft/azure/management/datafactoryv2/v2018_06_01/ValidationActivity.java b/datafactoryv2/resource-manager/v2018_06_01/src/main/java/com/microsoft/azure/management/datafactoryv2/v2018_06_01/ValidationActivity.java
new file mode 100644
index 0000000000000..b86e551bf9de8
--- /dev/null
+++ b/datafactoryv2/resource-manager/v2018_06_01/src/main/java/com/microsoft/azure/management/datafactoryv2/v2018_06_01/ValidationActivity.java
@@ -0,0 +1,136 @@
+/**
+ * Copyright (c) Microsoft Corporation. All rights reserved.
+ * Licensed under the MIT License. See License.txt in the project root for
+ * license information.
+ *
+ * Code generated by Microsoft (R) AutoRest Code Generator.
+ */
+
+package com.microsoft.azure.management.datafactoryv2.v2018_06_01;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonTypeInfo;
+import com.fasterxml.jackson.annotation.JsonTypeName;
+import com.microsoft.rest.serializer.JsonFlatten;
+
+/**
+ * This activity blocks execution until a file has been validated to exist,
+ * with an optional minimum size, or the timeout is reached, whichever is
+ * earlier.
+ */
+@JsonTypeInfo(use = JsonTypeInfo.Id.NAME, include = JsonTypeInfo.As.PROPERTY, property = "type")
+@JsonTypeName("Validation")
+@JsonFlatten
+public class ValidationActivity extends ControlActivity {
+    /**
+     * Specifies the timeout for the activity to run. If there is no value
+     * specified, it takes the value of TimeSpan.FromDays(7) which is 1 week as
+     * default. Type: string (or Expression with resultType string), pattern:
+     * ((\d+)\.)?(\d\d):(60|([0-5][0-9])):(60|([0-5][0-9])). Type: string (or
+     * Expression with resultType string), pattern:
+     * ((\d+)\.)?(\d\d):(60|([0-5][0-9])):(60|([0-5][0-9])).
+     */
+    @JsonProperty(value = "typeProperties.timeout")
+    private Object timeout;
+
+    /**
+     * A delay in seconds between validation attempts. If no value is
+     * specified, 10 seconds will be used as the default.
+     */
+    @JsonProperty(value = "typeProperties.sleep")
+    private Integer sleep;
+
+    /**
+     * Minimum size of a file in byte. If no value is specified, 0 byte will be
+     * used as the default.
+     */
+    @JsonProperty(value = "typeProperties.minimumSize")
+    private Integer minimumSize;
+
+    /**
+     * Validation activity dataset reference.
+     */
+    @JsonProperty(value = "typeProperties.dataset", required = true)
+    private DatasetReference dataset;
+
+    /**
+     * Get specifies the timeout for the activity to run. If there is no value specified, it takes the value of TimeSpan.FromDays(7) which is 1 week as default. Type: string (or Expression with resultType string), pattern: ((\d+)\.)?(\d\d):(60|([0-5][0-9])):(60|([0-5][0-9])). Type: string (or Expression with resultType string), pattern: ((\d+)\.)?(\d\d):(60|([0-5][0-9])):(60|([0-5][0-9])).
+     *
+     * @return the timeout value
+     */
+    public Object timeout() {
+        return this.timeout;
+    }
+
+    /**
+     * Set specifies the timeout for the activity to run. If there is no value specified, it takes the value of TimeSpan.FromDays(7) which is 1 week as default. Type: string (or Expression with resultType string), pattern: ((\d+)\.)?(\d\d):(60|([0-5][0-9])):(60|([0-5][0-9])). Type: string (or Expression with resultType string), pattern: ((\d+)\.)?(\d\d):(60|([0-5][0-9])):(60|([0-5][0-9])).
+     *
+     * @param timeout the timeout value to set
+     * @return the ValidationActivity object itself.
+     */
+    public ValidationActivity withTimeout(Object timeout) {
+        this.timeout = timeout;
+        return this;
+    }
+
+    /**
+     * Get a delay in seconds between validation attempts. If no value is specified, 10 seconds will be used as the default.
+     *
+     * @return the sleep value
+     */
+    public Integer sleep() {
+        return this.sleep;
+    }
+
+    /**
+     * Set a delay in seconds between validation attempts. If no value is specified, 10 seconds will be used as the default.
+     *
+     * @param sleep the sleep value to set
+     * @return the ValidationActivity object itself.
+     */
+    public ValidationActivity withSleep(Integer sleep) {
+        this.sleep = sleep;
+        return this;
+    }
+
+    /**
+     * Get minimum size of a file in byte. If no value is specified, 0 byte will be used as the default.
+     *
+     * @return the minimumSize value
+     */
+    public Integer minimumSize() {
+        return this.minimumSize;
+    }
+
+    /**
+     * Set minimum size of a file in byte. If no value is specified, 0 byte will be used as the default.
+     *
+     * @param minimumSize the minimumSize value to set
+     * @return the ValidationActivity object itself.
+     */
+    public ValidationActivity withMinimumSize(Integer minimumSize) {
+        this.minimumSize = minimumSize;
+        return this;
+    }
+
+    /**
+     * Get validation activity dataset reference.
+     *
+     * @return the dataset value
+     */
+    public DatasetReference dataset() {
+        return this.dataset;
+    }
+
+    /**
+     * Set validation activity dataset reference.
+     *
+     * @param dataset the dataset value to set
+     * @return the ValidationActivity object itself.
+     */
+    public ValidationActivity withDataset(DatasetReference dataset) {
+        this.dataset = dataset;
+        return this;
+    }
+
+}