### Assign Operation Dialog

Use this dialog to create an Assign Operation for use in an Assign.

Option | Description
--- | ---
Expression | An XQuery expression used to create the data that will be assigned to the Variable. Clicking the expression launches the XQuery editor.
Variable | A variable to which the result of the XQuery expression is assigned. Only previously defined Variables, the Counter Variable, and SOAP Fault Variables (for Error Handlers) are available.