AWS SDK Version 3 for .NET
API Reference

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Updates the policy that grants an IAM entity permission to assume a role. This is typically referred to as the "role trust policy". For more information about roles, go to Using Roles to Delegate Permissions and Federate Identities.

Note:

For PCL and Unity this operation is only available in asynchronous form. Please refer to UpdateAssumeRolePolicyAsync.

Namespace: Amazon.IdentityManagement
Assembly: AWSSDK.IdentityManagement.dll
Version: 3.x.y.z

Syntax

C#
public abstract UpdateAssumeRolePolicyResponse UpdateAssumeRolePolicy(
         UpdateAssumeRolePolicyRequest request
)
Parameters
request
Type: Amazon.IdentityManagement.Model.UpdateAssumeRolePolicyRequest

Container for the necessary parameters to execute the UpdateAssumeRolePolicy service method.

Return Value
The response from the UpdateAssumeRolePolicy service method, as returned by IdentityManagementService.

Exceptions

ExceptionCondition
LimitExceededException The request was rejected because it attempted to create resources beyond the current AWS account limits. The error message describes the limit exceeded.
MalformedPolicyDocumentException The request was rejected because the policy document was malformed. The error message describes the specific error.
NoSuchEntityException The request was rejected because it referenced an entity that does not exist. The error message describes the entity.
ServiceFailureException The request processing has failed because of an unknown error, exception or failure.
UnmodifiableEntityException The request was rejected because only the service that depends on the service-linked role can modify or delete the role on your behalf. The error message includes the name of the service that depends on this service-linked role. You must request the change through that service.

Examples

The following command updates the role trust policy for the role named Test-Role:

To update the trust policy for an IAM role


var response = client.UpdateAssumeRolePolicy(new UpdateAssumeRolePolicyRequest 
{
    PolicyDocument = "{\"Version\":\"2012-10-17\",\"Statement\":[{\"Effect\":\"Allow\",\"Principal\":{\"Service\":[\"ec2.amazonaws.com\"]},\"Action\":[\"sts:AssumeRole\"]}]}",
    RoleName = "S3AccessForEC2Instances"
});


            

Version Information

.NET Framework:
Supported in: 4.5, 4.0, 3.5

Portable Class Library:
Supported in: Windows Store Apps
Supported in: Windows Phone 8.1
Supported in: Xamarin Android
Supported in: Xamarin iOS (Unified)
Supported in: Xamarin.Forms

Unity:
Supported Versions: 4.6 and above
Supported Platforms: Android, iOS, Standalone

See Also