EditPrevField @Command (Formula Language)
In a document in Edit mode, moves the insertion point to the previous editable field in the document, working right to left, end to beginning.
Syntax
@Command( [EditPrevField] )
Usage
A document must be open in Edit mode.
This command does not work on the Web.
If using this command in a hotspot button or any other element that causes a change in focus, the EditGoToField or EditTop command must be used first to return the focus to the document. The document must be in Edit mode.