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action is not described

added_(meta_type)_meta action-hook . WP 2.9.0

Fires immediately after meta of a specific type is added.

The dynamic portion of the hook, $meta_type, refers to the meta object type (comment, post, term, or user).

Usage

add_action( 'added_(meta_type)_meta', 'action_function_name_9098', 10, 4 );
function action_function_name_9098( $mid, $object_id, $meta_key, $_meta_value ){
	// action...
}
$mid(int)
The meta ID after successful update.
$object_id(int)
ID of the object metadata is for.
$meta_key(string)
Metadata key.
$_meta_value(mixed)
Metadata value. Serialized if non-scalar.

Changelog

Since 2.9.0 Introduced.

Where the hook is called

add_metadata()
added_(meta_type)_meta
wp-includes/meta.php 133
do_action( "added_{$meta_type}_meta", $mid, $object_id, $meta_key, $_meta_value );

Where in WP core the hook is used

wp-includes/default-filters.php 102
add_action( 'added_post_meta', 'wp_cache_set_posts_last_changed' );
wp-includes/default-filters.php 107
add_action( 'added_term_meta', 'wp_cache_set_terms_last_changed' );
wp-includes/default-filters.php 120
add_action( 'added_comment_meta', 'wp_cache_set_comments_last_changed' );
wp-includes/ms-default-filters.php 57
add_action( 'added_blog_meta', 'wp_cache_set_sites_last_changed' );