Module Cognito.UserPoolUserToGroupAttachment

see http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-cognito-userpoolusertogroupattachment.html

type properties = {
  1. group_name : string;
  2. user_pool_id : string;
  3. username : string;
}

see http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-cognito-userpoolusertogroupattachment.html;

val make_properties : group_name:string -> user_pool_id:string -> username:string -> unit -> properties
val yojson_of_properties : properties -> [> `Assoc of (string * Yojson.Safe.t) list ]
type attributes = {
  1. ref_ : string;
}
val create_attributes : string -> attributes
val cloudformation_type : string