get_template_part_(slug) action-hook . WP 3.0.0

Fires before the specified template part file is loaded.

The dynamic portion of the hook name, $slug, refers to the slug name for the generic template part.

Usage

add_action( 'get_template_part_(slug)', 'action_function_name_5938', 10, 2 );
function action_function_name_5938( $slug, $name ){
	// action...
}

$slug(string)

The slug name for the generic template.

$name(string/null)

The name of the specialized template.

Where the hook is called

do_action( "get_template_part_{$slug}", $slug, $name );

Where the hook is used (in WP core)