protected static function get_order_data_props( $type ) {

		$props = array();

		// don't erase these fields, only export them
		if ( 'export' === $type ) {
			$props = array(
				'id'            => __( 'Order Number', 'lifterlms' ),
				'date'          => __( 'Order Date', 'lifterlms' ),
				'product_title' => __( 'Product', 'lifterlms' ),
				'plan_title'    => __( 'Plan', 'lifterlms' ),
			);
		} elseif ( 'erasure' === $type ) {
			$props = array(
				'user_id' => __( 'User ID', 'lifterlms' ),
			);
		}

		$props = array_merge(
			$props,
			array(
				'billing_first_name' => __( 'Billing First Name', 'lifterlms' ),
				'billing_last_name'  => __( 'Billing Last Name', 'lifterlms' ),
				'billing_email'      => __( 'Billing Email', 'lifterlms' ),
				'billing_address_1'  => __( 'Billing Address 1', 'lifterlms' ),
				'billing_address_2'  => __( 'Billing Address 2', 'lifterlms' ),
				'billing_city'       => __( 'Billing City', 'lifterlms' ),
				'billing_state'      => __( 'Billing State', 'lifterlms' ),
				'billing_zip'        => __( 'Billing Zip Code', 'lifterlms' ),
				'billing_country'    => __( 'Billing Country', 'lifterlms' ),
				'billing_phone'      => __( 'Phone', 'lifterlms' ),
				'user_ip_address'    => __( 'IP Address', 'lifterlms' ),
			)
		);

		return apply_filters( 'llms_privacy_order_data_props', $props, $type );

	}