A delivery-based transportation requirement in the SAP TM back-end system corresponds to an instance of a Transportation Request business object.

A freight document in the SAP TM back-end system corresponds to an instance of a Transportation Order business object.

You have defined schedule conditions and one or more suitable output profiles that control whether a message is sent. You do this in Customizing for Cross-Application Components under  Processes and Tools for Enterprise Applications Reusable Objects and Functions for BOPF Environment PPF Adapter for Output Management Maintain PPF Settings .

You have assigned a suitable output profile to the relevant freight document types.

You define freight order types in Customizing for Transportation Management under  Transportation Management Freight Order Management Freight Order Define Freight Order Types .

You define freight booking types in Customizing for Transportation Management under  Freight Order Management Freight Booking Define Freight Booking Types .

You have defined a logical system that represents the client from which the outbound communication is to take place, and you have assigned a queue of the type Outbound Queues to this logical system. You do this in Customizing for SCM Basis under  Integration Basic Settings for Creating the System Landscape Assign Logical System and Queue Type . The logical system must be marked as an SAP system. Also check the settings in the following Customizing activities: Name Logical Systems, Assign Logical Systems to a Client, Maintain Business System Group, and Settings for qRFC Communication.