Changes to Add children to a group

api operation id AddGroupChildren was added

the response property httpCode became required for the status 404

the response property message became required for the status 404

the code response's property type changed from integer to string for status 404

removed the required property error from the response with the 404 status

added the optional property httpCode to the response with the 404 status

added the optional property message to the response with the 404 status

added the optional property reason to the response with the 404 status

endpoint added

api path removed without deprecation