Overview
To use Trading Networks as a gateway for HL7 message exchange with your trading partners, you define the following Trading Networks information:

Trading partner profiles help define how you and your trading partners exchange HL7 messages.

A Trading Partner Agreement (TPA) is a set of parameters that you can use to govern how business documents are exchanged between two trading partners.
In addition, you register the following HL7-specific items with Trading Networks to define how Trading Networks processes message transactions:

TN document types for HL7 version 2.x messages

Custom
Trading Networks Attributes for HL7 version 2.x messages

Processing rules for HL7 version 2.x messages