public function get_icon_src() {
		$src = '';
		$val = $this->get_icon();
		if ( is_numeric( $val ) ) {
			$src = wp_get_attachment_image_src( $val, 'llms_notification_icon' );
			if ( is_array( $src ) ) {
				$src = $src[0];
			}
		} else {
			$src = $val;
		}
		return apply_filters( $this->get_filter( 'get_icon_src' ), $src, $this );
	}