## Message Flow Design Palette

The Message Flow Design Palette lists all the nodes and actions you can use to construct a message flow for a proxy service. To insert a node or an action into a message flow, drag the item from the palette to the Message Flow Editor. When you drag an item to the palette, one or more targets appear () to indicate that you can drop the dragged item in that position on the palette. When you drag the item onto a target, the target is highlighted () to show that you can drop the item there.

You can also add nodes and actions to message flows by right-clicking an object in the Message Flow Editor and choosing a node or action from the Insert, Insert Into, or Insert After submenus. You can also add an error handler by selecting the Add Error Handler command. These submenus and commands are context sensitive. That is, they appear only when it is legal to add the item into the selected context in the message flow.

The Message Flow Design Palette is organized into the following categories:

- Message Flow Nodes
- Message Flow Route Actions - Communication Actions
- Message Flow Route Actions - Flow Control Actions
- Message Flow Stage Actions - Communication Actions
- Message Flow Stage Actions - Flow Control Actions
- Message Flow Stage Actions - Message Processing Actions
- Message Flow Stage Actions - Reporting Actions