By default, Architect presents call flow actions in literal mode. You can switch to expression mode, which allows you to enter simple expressions in the text box. You can also open the large expression editor, where you can enter more complex expressions.

Click to expand the following examples, which illustrate how to access and switch between literal and expression mode.

When in literal mode, click to enter expression mode.

Access expression mode from literal mode

When in expression mode, click to return to literal mode.

To open the Edit Expression dialog box, click .

Access literal mode from expression mode