The following steps show you how to remove an ESQL function definition
using the Compose Mapping Expression editor.
From the Message Flow Mapping editor Overview pane, select the
Target Value that you want to edit. A small box appears
at the end of the row.
Click the box and the Compose Mapping Expression editor window
opens. (Alternatively, from the Outline view, right-click the value
that you want to edit and click Edit
Mapping to open the Compose Mapping Expression editor.
You can now edit the mapping to remove the ESQL definitions.