WordPress at a glance
action is not described

xmlrpc_call_success_mw_newMediaObject action-hook . WP 3.4.0

Fires after a new attachment has been added via the XML-RPC MovableType API.

Usage

add_action( 'xmlrpc_call_success_mw_newMediaObject', 'action_function_name_78', 10, 2 );
function action_function_name_78( $id, $args ){
	// action...
}
$id(int)
ID of the new attachment.
$args(array)
An array of arguments to add the attachment.

Where the hook is called

wp_xmlrpc_server::mw_newMediaObject()
wp-includes/class-wp-xmlrpc-server.php 5970
do_action( 'xmlrpc_call_success_mw_newMediaObject', $id, $args );

Where the hook is used (in WP core)

Does not used.