diff --git a/aws-android-sdk-core/src/main/java/com/amazonaws/services/securitytoken/model/AssumeRoleRequest.java b/aws-android-sdk-core/src/main/java/com/amazonaws/services/securitytoken/model/AssumeRoleRequest.java
index 082c5cb64f..2cdd5e298e 100644
--- a/aws-android-sdk-core/src/main/java/com/amazonaws/services/securitytoken/model/AssumeRoleRequest.java
+++ b/aws-android-sdk-core/src/main/java/com/amazonaws/services/securitytoken/model/AssumeRoleRequest.java
@@ -276,7 +276,7 @@ public class AssumeRoleRequest extends AmazonWebServiceRequest implements Serial
      * </note>
      * <p>
      * <b>Constraints:</b><br/>
-     * <b>Length: </b>1 - 2048<br/>
+     * <b>Length: </b>1 - <br/>
      * <b>Pattern: </b>[ -\u00FF]+<br/>
      */
     private String policy;
@@ -508,7 +508,17 @@ public class AssumeRoleRequest extends AmazonWebServiceRequest implements Serial
 
     /**
      * <p>
-     * Reserved for future use.
+     * A list of previously acquired trusted context assertions in the format of
+     * a JSON array. The trusted context assertion is signed and encrypted by
+     * Amazon Web Services STS.
+     * </p>
+     * <p>
+     * The following is an example of a <code>ProvidedContext</code> value that
+     * includes a single trusted context assertion and the ARN of the context
+     * provider from which the trusted context assertion was generated.
+     * </p>
+     * <p>
+     * <code>[{"ProviderArn":"arn:aws:iam::aws:contextProvider/IdentityCenter","ContextAssertion":"trusted-context-assertion"}]</code>
      * </p>
      */
     private java.util.List<ProvidedContext> providedContexts;
@@ -1115,7 +1125,7 @@ public AssumeRoleRequest withPolicyArns(java.util.Collection<PolicyDescriptorTyp
      * </note>
      * <p>
      * <b>Constraints:</b><br/>
-     * <b>Length: </b>1 - 2048<br/>
+     * <b>Length: </b>1 - <br/>
      * <b>Pattern: </b>[ -\u00FF]+<br/>
      *
      * @return <p>
@@ -1196,7 +1206,7 @@ public String getPolicy() {
      * </note>
      * <p>
      * <b>Constraints:</b><br/>
-     * <b>Length: </b>1 - 2048<br/>
+     * <b>Length: </b>1 - <br/>
      * <b>Pattern: </b>[ -\u00FF]+<br/>
      *
      * @param policy <p>
@@ -1280,7 +1290,7 @@ public void setPolicy(String policy) {
      * together.
      * <p>
      * <b>Constraints:</b><br/>
-     * <b>Length: </b>1 - 2048<br/>
+     * <b>Length: </b>1 - <br/>
      * <b>Pattern: </b>[ -\u00FF]+<br/>
      *
      * @param policy <p>
@@ -2879,11 +2889,32 @@ public AssumeRoleRequest withSourceIdentity(String sourceIdentity) {
 
     /**
      * <p>
-     * Reserved for future use.
+     * A list of previously acquired trusted context assertions in the format of
+     * a JSON array. The trusted context assertion is signed and encrypted by
+     * Amazon Web Services STS.
+     * </p>
+     * <p>
+     * The following is an example of a <code>ProvidedContext</code> value that
+     * includes a single trusted context assertion and the ARN of the context
+     * provider from which the trusted context assertion was generated.
+     * </p>
+     * <p>
+     * <code>[{"ProviderArn":"arn:aws:iam::aws:contextProvider/IdentityCenter","ContextAssertion":"trusted-context-assertion"}]</code>
      * </p>
      *
      * @return <p>
-     *         Reserved for future use.
+     *         A list of previously acquired trusted context assertions in the
+     *         format of a JSON array. The trusted context assertion is signed
+     *         and encrypted by Amazon Web Services STS.
+     *         </p>
+     *         <p>
+     *         The following is an example of a <code>ProvidedContext</code>
+     *         value that includes a single trusted context assertion and the
+     *         ARN of the context provider from which the trusted context
+     *         assertion was generated.
+     *         </p>
+     *         <p>
+     *         <code>[{"ProviderArn":"arn:aws:iam::aws:contextProvider/IdentityCenter","ContextAssertion":"trusted-context-assertion"}]</code>
      *         </p>
      */
     public java.util.List<ProvidedContext> getProvidedContexts() {
@@ -2892,11 +2923,32 @@ public java.util.List<ProvidedContext> getProvidedContexts() {
 
     /**
      * <p>
-     * Reserved for future use.
+     * A list of previously acquired trusted context assertions in the format of
+     * a JSON array. The trusted context assertion is signed and encrypted by
+     * Amazon Web Services STS.
+     * </p>
+     * <p>
+     * The following is an example of a <code>ProvidedContext</code> value that
+     * includes a single trusted context assertion and the ARN of the context
+     * provider from which the trusted context assertion was generated.
+     * </p>
+     * <p>
+     * <code>[{"ProviderArn":"arn:aws:iam::aws:contextProvider/IdentityCenter","ContextAssertion":"trusted-context-assertion"}]</code>
      * </p>
      *
      * @param providedContexts <p>
-     *            Reserved for future use.
+     *            A list of previously acquired trusted context assertions in
+     *            the format of a JSON array. The trusted context assertion is
+     *            signed and encrypted by Amazon Web Services STS.
+     *            </p>
+     *            <p>
+     *            The following is an example of a <code>ProvidedContext</code>
+     *            value that includes a single trusted context assertion and the
+     *            ARN of the context provider from which the trusted context
+     *            assertion was generated.
+     *            </p>
+     *            <p>
+     *            <code>[{"ProviderArn":"arn:aws:iam::aws:contextProvider/IdentityCenter","ContextAssertion":"trusted-context-assertion"}]</code>
      *            </p>
      */
     public void setProvidedContexts(java.util.Collection<ProvidedContext> providedContexts) {
@@ -2910,14 +2962,35 @@ public void setProvidedContexts(java.util.Collection<ProvidedContext> providedCo
 
     /**
      * <p>
-     * Reserved for future use.
+     * A list of previously acquired trusted context assertions in the format of
+     * a JSON array. The trusted context assertion is signed and encrypted by
+     * Amazon Web Services STS.
+     * </p>
+     * <p>
+     * The following is an example of a <code>ProvidedContext</code> value that
+     * includes a single trusted context assertion and the ARN of the context
+     * provider from which the trusted context assertion was generated.
+     * </p>
+     * <p>
+     * <code>[{"ProviderArn":"arn:aws:iam::aws:contextProvider/IdentityCenter","ContextAssertion":"trusted-context-assertion"}]</code>
      * </p>
      * <p>
      * Returns a reference to this object so that method calls can be chained
      * together.
      *
      * @param providedContexts <p>
-     *            Reserved for future use.
+     *            A list of previously acquired trusted context assertions in
+     *            the format of a JSON array. The trusted context assertion is
+     *            signed and encrypted by Amazon Web Services STS.
+     *            </p>
+     *            <p>
+     *            The following is an example of a <code>ProvidedContext</code>
+     *            value that includes a single trusted context assertion and the
+     *            ARN of the context provider from which the trusted context
+     *            assertion was generated.
+     *            </p>
+     *            <p>
+     *            <code>[{"ProviderArn":"arn:aws:iam::aws:contextProvider/IdentityCenter","ContextAssertion":"trusted-context-assertion"}]</code>
      *            </p>
      * @return A reference to this updated object so that method calls can be
      *         chained together.
@@ -2935,14 +3008,35 @@ public AssumeRoleRequest withProvidedContexts(ProvidedContext... providedContext
 
     /**
      * <p>
-     * Reserved for future use.
+     * A list of previously acquired trusted context assertions in the format of
+     * a JSON array. The trusted context assertion is signed and encrypted by
+     * Amazon Web Services STS.
+     * </p>
+     * <p>
+     * The following is an example of a <code>ProvidedContext</code> value that
+     * includes a single trusted context assertion and the ARN of the context
+     * provider from which the trusted context assertion was generated.
+     * </p>
+     * <p>
+     * <code>[{"ProviderArn":"arn:aws:iam::aws:contextProvider/IdentityCenter","ContextAssertion":"trusted-context-assertion"}]</code>
      * </p>
      * <p>
      * Returns a reference to this object so that method calls can be chained
      * together.
      *
      * @param providedContexts <p>
-     *            Reserved for future use.
+     *            A list of previously acquired trusted context assertions in
+     *            the format of a JSON array. The trusted context assertion is
+     *            signed and encrypted by Amazon Web Services STS.
+     *            </p>
+     *            <p>
+     *            The following is an example of a <code>ProvidedContext</code>
+     *            value that includes a single trusted context assertion and the
+     *            ARN of the context provider from which the trusted context
+     *            assertion was generated.
+     *            </p>
+     *            <p>
+     *            <code>[{"ProviderArn":"arn:aws:iam::aws:contextProvider/IdentityCenter","ContextAssertion":"trusted-context-assertion"}]</code>
      *            </p>
      * @return A reference to this updated object so that method calls can be
      *         chained together.
diff --git a/aws-android-sdk-core/src/main/java/com/amazonaws/services/securitytoken/model/ProvidedContext.java b/aws-android-sdk-core/src/main/java/com/amazonaws/services/securitytoken/model/ProvidedContext.java
index c91f73b670..dee8089fe8 100644
--- a/aws-android-sdk-core/src/main/java/com/amazonaws/services/securitytoken/model/ProvidedContext.java
+++ b/aws-android-sdk-core/src/main/java/com/amazonaws/services/securitytoken/model/ProvidedContext.java
@@ -19,13 +19,16 @@
 
 /**
  * <p>
- * Reserved for future use.
+ * Contains information about the provided context. This includes the signed and
+ * encrypted trusted context assertion and the context provider ARN from which
+ * the trusted context assertion was generated.
  * </p>
  */
 public class ProvidedContext implements Serializable {
     /**
      * <p>
-     * Reserved for future use.
+     * The context provider ARN from which the trusted context assertion was
+     * generated.
      * </p>
      * <p>
      * <b>Constraints:</b><br/>
@@ -37,7 +40,9 @@ public class ProvidedContext implements Serializable {
 
     /**
      * <p>
-     * Reserved for future use.
+     * The signed and encrypted trusted context assertion generated by the
+     * context provider. The trusted context assertion is signed and encrypted
+     * by Amazon Web Services STS.
      * </p>
      * <p>
      * <b>Constraints:</b><br/>
@@ -47,7 +52,8 @@ public class ProvidedContext implements Serializable {
 
     /**
      * <p>
-     * Reserved for future use.
+     * The context provider ARN from which the trusted context assertion was
+     * generated.
      * </p>
      * <p>
      * <b>Constraints:</b><br/>
@@ -56,7 +62,8 @@ public class ProvidedContext implements Serializable {
      * -\u007E\u0085\u00A0-\uD7FF\uE000-\uFFFD\u10000-\u10FFFF]+<br/>
      *
      * @return <p>
-     *         Reserved for future use.
+     *         The context provider ARN from which the trusted context assertion
+     *         was generated.
      *         </p>
      */
     public String getProviderArn() {
@@ -65,7 +72,8 @@ public String getProviderArn() {
 
     /**
      * <p>
-     * Reserved for future use.
+     * The context provider ARN from which the trusted context assertion was
+     * generated.
      * </p>
      * <p>
      * <b>Constraints:</b><br/>
@@ -74,7 +82,8 @@ public String getProviderArn() {
      * -\u007E\u0085\u00A0-\uD7FF\uE000-\uFFFD\u10000-\u10FFFF]+<br/>
      *
      * @param providerArn <p>
-     *            Reserved for future use.
+     *            The context provider ARN from which the trusted context
+     *            assertion was generated.
      *            </p>
      */
     public void setProviderArn(String providerArn) {
@@ -83,7 +92,8 @@ public void setProviderArn(String providerArn) {
 
     /**
      * <p>
-     * Reserved for future use.
+     * The context provider ARN from which the trusted context assertion was
+     * generated.
      * </p>
      * <p>
      * Returns a reference to this object so that method calls can be chained
@@ -95,7 +105,8 @@ public void setProviderArn(String providerArn) {
      * -\u007E\u0085\u00A0-\uD7FF\uE000-\uFFFD\u10000-\u10FFFF]+<br/>
      *
      * @param providerArn <p>
-     *            Reserved for future use.
+     *            The context provider ARN from which the trusted context
+     *            assertion was generated.
      *            </p>
      * @return A reference to this updated object so that method calls can be
      *         chained together.
@@ -107,14 +118,18 @@ public ProvidedContext withProviderArn(String providerArn) {
 
     /**
      * <p>
-     * Reserved for future use.
+     * The signed and encrypted trusted context assertion generated by the
+     * context provider. The trusted context assertion is signed and encrypted
+     * by Amazon Web Services STS.
      * </p>
      * <p>
      * <b>Constraints:</b><br/>
      * <b>Length: </b>4 - 2048<br/>
      *
      * @return <p>
-     *         Reserved for future use.
+     *         The signed and encrypted trusted context assertion generated by
+     *         the context provider. The trusted context assertion is signed and
+     *         encrypted by Amazon Web Services STS.
      *         </p>
      */
     public String getContextAssertion() {
@@ -123,14 +138,18 @@ public String getContextAssertion() {
 
     /**
      * <p>
-     * Reserved for future use.
+     * The signed and encrypted trusted context assertion generated by the
+     * context provider. The trusted context assertion is signed and encrypted
+     * by Amazon Web Services STS.
      * </p>
      * <p>
      * <b>Constraints:</b><br/>
      * <b>Length: </b>4 - 2048<br/>
      *
      * @param contextAssertion <p>
-     *            Reserved for future use.
+     *            The signed and encrypted trusted context assertion generated
+     *            by the context provider. The trusted context assertion is
+     *            signed and encrypted by Amazon Web Services STS.
      *            </p>
      */
     public void setContextAssertion(String contextAssertion) {
@@ -139,7 +158,9 @@ public void setContextAssertion(String contextAssertion) {
 
     /**
      * <p>
-     * Reserved for future use.
+     * The signed and encrypted trusted context assertion generated by the
+     * context provider. The trusted context assertion is signed and encrypted
+     * by Amazon Web Services STS.
      * </p>
      * <p>
      * Returns a reference to this object so that method calls can be chained
@@ -149,7 +170,9 @@ public void setContextAssertion(String contextAssertion) {
      * <b>Length: </b>4 - 2048<br/>
      *
      * @param contextAssertion <p>
-     *            Reserved for future use.
+     *            The signed and encrypted trusted context assertion generated
+     *            by the context provider. The trusted context assertion is
+     *            signed and encrypted by Amazon Web Services STS.
      *            </p>
      * @return A reference to this updated object so that method calls can be
      *         chained together.