public function set_columns() {
		$cols = array(
			'id'          => array(
				'exportable' => true,
				'sortable'   => true,
				'title'      => __( 'ID', 'lifterlms' ),
			),
			'name'        => array(
				'sortable' => true,
				'title'    => __( 'Name', 'lifterlms' ),
			),
			'name_last'   => array(
				'exportable'  => true,
				'export_only' => true,
				'title'       => __( 'Last Name', 'lifterlms' ),
			),
			'name_first'  => array(
				'exportable'  => true,
				'export_only' => true,
				'title'       => __( 'First Name', 'lifterlms' ),
			),
			'email'       => array(
				'exportable'  => true,
				'export_only' => true,
				'title'       => __( 'Email', 'lifterlms' ),
			),
			'status'      => array(
				'exportable' => true,
				'filterable' => llms_get_enrollment_statuses(),
				'sortable'   => true,
				'title'      => __( 'Status', 'lifterlms' ),
			),
			'enrolled'    => array(
				'exportable' => true,
				'sortable'   => true,
				'title'      => __( 'Enrollment Updated', 'lifterlms' ),
			),
			'completed'   => array(
				'exportable' => true,
				'sortable'   => true,
				'title'      => __( 'Completed', 'lifterlms' ),
			),
			'progress'    => array(
				'exportable' => true,
				'sortable'   => false,
				'title'      => __( 'Progress', 'lifterlms' ),
			),
			'grade'       => array(
				'exportable' => true,
				'sortable'   => false,
				'title'      => __( 'Grade', 'lifterlms' ),
			),
			'last_lesson' => array(
				'sortable' => false,
				'title'    => __( 'Last Lesson', 'lifterlms' ),
			),
		);

		return $cols;

	}