This image show the Edit Function - lookupXRef dialog. This dialog contains the following Function Parameters fields:
xrefLocation field with Browse button.
referenceColumnName field with Browse button.
referenceValue field.
columnName field with Browse button.
needException field.
In addition, there are Add, Remove, Move Up, and Move Down button to the right of Function Parameters.
There is one Function Description field under Function Parameters describing the lookupXRef function.
Help, OK, and Cancel buttons.