get_plugin_page_hook( string $plugin_page, string $parent_page )

Source

File: wp-admin/includes/plugin.php

function get_plugin_page_hook( $plugin_page, $parent_page ) {
	$hook = get_plugin_page_hookname( $plugin_page, $parent_page );
	if ( has_action( $hook ) ) {
		return $hook;
	} else {
		return null;
	}
}