admin-list-groups-for-user.rst

**To list groups for a user**

This example lists groups for username [email protected]. 

Command::

  aws cognito-idp admin-list-groups-for-user --user-pool-id us-west-2_aaaaaaaaa --username [email protected]
  
Output::

  {
    "Groups": [
        {
            "Description": "Sample group",
            "Precedence": 1,
            "LastModifiedDate": 1548097827.125,
            "RoleArn": "arn:aws:iam::111111111111:role/SampleRole",
            "GroupName": "SampleGroup",
            "UserPoolId": "us-west-2_aaaaaaaaa",
            "CreationDate": 1548097827.125
        }
    ]
  }