Submissions_List_Table::build_columns()

	protected function build_columns() {
		$columns = parent::build_columns();

		$columns['id']        = _x( 'ID', 'submission column label', 'torro-forms' );
		$columns['status']    = _x( 'Status', 'submission column label', 'torro-forms' );
		$columns['form_id']   = _x( 'Form', 'submission column label', 'torro-forms' );
		$columns['user_id']   = _x( 'User', 'submission column label', 'torro-forms' );
		$columns['timestamp'] = _x( 'Date', 'submission column label', 'torro-forms' );

		/**
		 * Filters the payment columns.
		 *
		 * @since 1.0.0
		 *
		 * @param array $columns Associative array of `$column_slug => $column_title` pairs.
		 */
		return apply_filters( "{$this->manager->get_prefix()}submission_admin_columns", $columns );
	}