This image show a populated Edit Function - lookupXRef dialog box. This dialog box contains the following Function Parameters fields:
tableName field containing value "customer".
referenceColumnName field containing value "sap".
referenceValue field containing value xref:populateXRefRow("customer", "sap", /inp1:Customer/...
columnName field containing value "common".
needException field containing value true().
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.