The main functionality of the ROLLNAME is to provide a data element that will be responsible for showing F1 help on the grid cell. If in data element the documentation is available, then it will be shown. ...
... CITYFROM. According to OSS notes I had to also fill ROLLNAME (Data element) or DOMNAME (Domain), as they are the criteria to assign the sender value into receiver select-option (names of the select-option ...