DesignFormUseField @Command (Formula Language)
Displays the Insert Shared Field dialog box, where the user can select a shared field to place on the current form or subform.
Syntax
@Command( [DesignFormUseField] )
Usage
A form or subform must be open in Design mode and there must be no fields selected. It's most convenient to use a toolbar button to invoke this command.
This command does not work on the Web.