All Fields available for a New Sales Order with Child Records

The list and structure of a Custom URL with all possible fields, including those for Line Items that are drawn from Child Records, utilized is below. Required fields are in red. All other fields are optional.

/apex/breadwinner_ns__CreateSalesOrder
?originating_record={!salesforce_record_ID}
&parent_account=api_field_name__c
&custom_form=sales_order_custom_form_api_field__c
&currency=sales_order_currency_api_field__c
&department=sales_order_department_api_field__c
&class=sales_order_class_api_field__c
&location_id=sales_order_location_api_field__c
&date=sales_order_date_api_field__c
&po=sales_order_po_api_field__c
&memo=sales_order_memo_api_field__c
&sales_rep=sales_order_sales_rep_api_field__c
&start_date=sales_order_start_date_api_field__c
&end_date=sales_order_end_date_api_field__c
&sales_effective_date=sales_order_sales_effective_date_api_field__c
&bill_address_list=sales_order_bill_address_list__c
&ship_address_list=sales_order_ship_address_list__c
&billing_addressee=sales_order_billing_addressee__c
&billing_attention=sales_order_billing_attention__c
&billing_addressee=sales_order_billing_addressee__c
&billing_addr1=sales_order_billing_addr1__c
&billing_addr2=sales_order_billing_addr2__c
&billing_city=sales_order_billing_city__c
&billing_state=sales_order_billing_state__c
&billing_country=sales_order_billing_country__c
&billing_zip=sales_order_billing_zip__c
&shipping_attention=sales_order_shipping_attention__c
&shipping_addressee=sales_order_shipping_addressee__c
&shipping_addr1=sales_order_shipping_addr1__c
&shipping_addr2=sales_order_shipping_addr2__c
&shipping_city=sales_order_shipping_city__c
&shipping_state=sales_order_shipping_state__c
&shipping_country=sales_order_shipping_country__c
&shipping_zip=sales_order_shipping_zip__c
&child_relationship_name=child_name__r
&co_netsuite_item=netsuite_item_field__c
&co_description=description_field__c
&co_quantity=quantity_field__c
&co_rate=rate_field__c
&co_department=department_field__c
&co_class=class_field__c
&co_location_id=location_field__c
&co_rev_rec_schedule=rev_rec_schedule_field__c
&co_rev_rec_start_date=rev_rec_start_date_field__c
&co_rev_rec_end_date=rev_rec_end_date_field__c
&testing=true