The source node in most cases contains the sample message as written by the developer. If it looks like a dot-delimitted string such as "form.label.firstname", then the developer has not provided a default message.

Basket with ID: %basketId% not found Basket with ID: %basketId% not found key: Basket with ID: %basketId% not found Dashboard Dashboard key: Dashboard Error for basket %basketId%: %error% Error for basket %basketId%: %error% key: Error for basket %basketId%: %error% Order for basket: %basketId% has been deleted successfully. Order for basket: %basketId% has been deleted successfully. key: Order for basket: %basketId% has been deleted successfully. Order for basket: %basketId% has been processed successfully, Order-ID: %orderId% Order for basket: %basketId% has been processed successfully, Order-ID: %orderId% key: Order for basket: %basketId% has been processed successfully, Order-ID: %orderId% Shipping management Shipping management key: Shipping management previous month previous month key: dashboard.summary.previous_month Add Add key: field_type.add_variant Delete Delete key: field_types.variants.button.trash Invalid CSV file Invalid CSV file key: msg.invalid_csv_file Invalid shop ID : %shopId% Invalid shop ID : %shopId% key: msg.invalid_shop_id Prices for %products% products imported successfully Prices for %products% products imported successfully key: msg.price_upload_success Stock for %products% products imported successfully Stock for %products% products imported successfully key: msg.stock_upload_success Search by Payment transaction id Search by Payment transaction id key: order_list.filters.payment_transaction_id Add new Add new key: shipping_management.add_shipping Delete Delete key: shipping_management.delete_shippment.button