comment_duplicate_trigger action-hook . WP 3.0.0

Fires immediately after a duplicate comment is detected.

Usage

add_action( 'comment_duplicate_trigger', 'action_function_name_5802' );
function action_function_name_5802( $commentdata ){
	// action...
}

$commentdata(array)

Comment data.

Where the hook is called

do_action( 'comment_duplicate_trigger', $commentdata );

Where the hook is used (in WP core)