function llms_get_certificate_merge_codes() {

	/**
	 * Filters the list of available merge codes for certificates.
	 *
	 * @since 9.1.0
	 *
	 * @param array[]        $codes  Associative array of merge codes where the array key is the merge code and the array value is a name / description of the merge code.
	 */
	return apply_filters(
		'llms_certificate_available_merge_codes',
		array(
			'{site_title}'     => __( 'Site Title', 'lifterlms' ),
			'{site_url}'       => __( 'Site URL', 'lifterlms' ),
			'{current_date}'   => __( 'Current Date', 'lifterlms' ),
			'{earned_date}'    => __( 'Earned Date', 'lifterlms' ),
			'{first_name}'     => __( 'Student First Name', 'lifterlms' ),
			'{last_name}'      => __( 'Student Last Name', 'lifterlms' ),
			'{email_address}'  => __( 'Student Email', 'lifterlms' ),
			'{student_id}'     => __( 'Student User ID', 'lifterlms' ),
			'{user_login}'     => __( 'Student Username', 'lifterlms' ),
			'{certificate_id}' => __( 'Certificate ID', 'lifterlms' ),
			'{sequential_id}'  => __( 'Sequential Certificate ID', 'lifterlms' ),
		)
	);
}