Request Syntax Request Parameters Response Syntax Response Elements Errors See Also

ListUsersInGroup

Given a user pool ID and a group name, returns a list of users in the group. For more information about user pool groups, see Adding groups to a user pool.

Note

Amazon Cognito evaluates AWS Identity and Access Management (IAM) policies in requests for this API operation. For this operation, you must use IAM credentials to authorize requests, and you must grant yourself the corresponding IAM permission in a policy.

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Request Syntax


{
   "GroupName": "string",
   "Limit": number,
   "NextToken": "string",
   "UserPoolId": "string"
}

Request Parameters

For information about the parameters that are common to all actions, see Common Parameters.

The request accepts the following data in JSON format.

GroupName

The name of the group that you want to query for user membership.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 128.

Pattern: [\p{L}\p{M}\p{S}\p{N}\p{P}]+

Required: Yes

Limit

The maximum number of groups that you want Amazon Cognito to return in the response.

Type: Integer

Valid Range: Minimum value of 0. Maximum value of 60.

Required: No

NextToken

This API operation returns a limited number of results. The pagination token is an identifier that you can present in an additional API request with the same parameters. When you include the pagination token, Amazon Cognito returns the next set of items after the current list. Subsequent requests return a new pagination token. By use of this token, you can paginate through the full list of items.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 131072.

Pattern: [\S]+

Required: No

UserPoolId

The ID of the user pool where you want to view the membership of the requested group.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 55.

Pattern: [\w-]+_[0-9a-zA-Z]+

Required: Yes

Response Syntax


{
   "NextToken": "string",
   "Users": [ 
      { 
         "Attributes": [ 
            { 
               "Name": "string",
               "Value": "string"
            }
         ],
         "Enabled": boolean,
         "MFAOptions": [ 
            { 
               "AttributeName": "string",
               "DeliveryMedium": "string"
            }
         ],
         "UserCreateDate": number,
         "UserLastModifiedDate": number,
         "Username": "string",
         "UserStatus": "string"
      }
   ]
}

Response Elements

If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in JSON format by the service.

NextToken

The identifier that Amazon Cognito returned with the previous request to this operation. When you include a pagination token in your request, Amazon Cognito returns the next set of items in the list. By use of this token, you can paginate through the full list of items.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 131072.

Pattern: [\S]+

Users

An array of users who are members in the group, and their attributes.

Type: Array of UserType objects

Errors

For information about the errors that are common to all actions, see Common Errors.

InternalErrorException

This exception is thrown when Amazon Cognito encounters an internal error.

HTTP Status Code: 500

InvalidParameterException

This exception is thrown when the Amazon Cognito service encounters an invalid parameter.

HTTP Status Code: 400

NotAuthorizedException

This exception is thrown when a user isn't authorized.

HTTP Status Code: 400

ResourceNotFoundException

This exception is thrown when the Amazon Cognito service can't find the requested resource.

HTTP Status Code: 400

TooManyRequestsException

This exception is thrown when the user has made too many requests for a given operation.

HTTP Status Code: 400