{

"ResourceSpecificationVersion": "1.0.0",
"ResourceType": {
  "AWS::IAM::UserToGroupAddition": {
    "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-iam-addusertogroup.html",
    "Properties": {
      "GroupName": {
        "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-iam-addusertogroup.html#cfn-iam-addusertogroup-groupname",
        "PrimitiveType": "String",
        "Required": true,
        "UpdateType": "Mutable"
      },
      "Users": {
        "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-iam-addusertogroup.html#cfn-iam-addusertogroup-users",
        "DuplicatesAllowed": true,
        "PrimitiveItemType": "String",
        "Required": true,
        "Type": "List",
        "UpdateType": "Mutable"
      }
    }
  }
}

}