### Adding and Configuring Transport Headers Actions in Message Flows

Use a transport header action to set header values in messages.

Before you begin

Display the message flow for the desired proxy service. See Constructing Proxy Service Message Flows.

To add a transport headers action

1. In the Message Flow Design Palette, open the Stage Actions > Communication list, if it is not already open.
2. Drag the transport headers action to the desired location in the message flow.

To configure the transport headers action

1. In the Message Flow Editor, click the transport headers action, if it is not already selected.
2. On the Transport Headers Action Properties page, edit properties as appropriate.