Field Name	Object	Type	Purpose
bc_salesorder	Deal	Text	Stores BC Sales Order Number
erp_customer_no	Deal	Property Sync	Syncs BC Customer Number from Company
associated_deal_id	Line Item	Text	Populated by custom workflow
erp_sales_order_no	Line Item	Property Sync	Stores BC Order Number on lines

Field Name	Object	Type	Purpose
bc_salesorder	Deal	Text	Stores ERP Sales Order Number
erp_customer_no	Deal	Property Sync	Syncs ERP Customer Number from Company
erp_sales_order_no	Line Item	Text	It automatically stores the ERP Order Number
transferred_to_erp	Line Item	Text	Transfer control flag

HubSpot to Business Central - Deals to Sales Orders Integration Guide

Overview