WordPress at a glance
filter is not described

xmlrpc_wp_insert_post_data filter-hook . WP 3.4.0

Filters post data array to be inserted via XML-RPC.

Usage

add_filter( 'xmlrpc_wp_insert_post_data', 'filter_function_name_1002', 10, 2 );
function filter_function_name_1002( $post_data, $content_struct ){
	// filter...

	return $post_data;
}
$post_data(array)
Parsed array of post data.
$content_struct(array)
Post data array.

Where the hook is called

wp_xmlrpc_server::_insert_post()
wp-includes/class-wp-xmlrpc-server.php 1588
$post_data = apply_filters( 'xmlrpc_wp_insert_post_data', $post_data, $content_struct );

Where the hook is used (in WP core)

Does not used.