// Returns an array with errored keys or true on success.
		return is_array( $update ) ? false : true;

	}

	/**
	 * Remove student enrollment postmeta for a given product.
	 *
	 * @since 3.33.0
	 *
	 * @param int    $product_id WP Post ID of the course or membership.
	 * @param string $trigger    Optional. String the reason for enrollment. Default `null`
	 * @return bool Whether or not the enrollment records have been succesfully removed.
	 */
	private function delete_enrollment_postmeta( $product_id, $trigger = null ) {

		// Delete info from the user postmeta table.
		$user_metadatas = array(
			'_enrollment_trigger' => $trigger,
			'_start_date'         => null,
			'_status'             => null,
		);

		$delete = llms_bulk_delete_user_postmeta( $this->get_id(), $product_id, $user_metadatas );

		return is_array( $delete ) ? false : true;
	}

	/**
	 * Add a new status record to the user postmeta table for a specific product
	 *
	 * @param    int    $product_id   WP Post ID of the course or membership
	 * @param    string $status       string describing the new status
	 * @param    string $trigger  String describing the reason for enrollment (optional)