In Application

$RPC = XSystemRPC::request(
 'application_group' => 'user',
 'application_name'  => 'NEW_REGISTER',
);
$RPC->bindParam('name','Hajime');
$RPC->bindParam('email','hajime@avap.co.jp');

$Result = $RPC->send( );

XSystemApiRequest
XSystemApiResult

FrameWork Side で コールされるプロセスを変更する

package/users/api.class.php

class UserApi {

	function accept( $key, $value ) {
		switch( $key ){
			case 'NEW_REGISTER':
				return $this->newRegister( $value );
			break;
		}
  }
}

class Api {
	map = array('user.NEW_REGISTER'=>'system.NEW_REGISTER');
	function accept( $group, $key, $value ) {
		
	}
}