SELECTION-SCREEN { { COMMENT [/][pos](len)
{ text | {[text] FOR FIELD sel} }
[VISIBLE LENGTH vlen]
[MODIF ID modid] }
| { FUNCTION KEY n }
| { POSITION pos }
| { PUSHBUTTON [/][pos](len)
button_text USER-COMMAND fcode
[VISIBLE LENGTH vlen]
[MODIF ID modid] }
| { SKIP [n] }
| { ULINE [[/][pos](len)]
[MODIF ID modid] } }
[FOR {TABLE|NODE} node [ID id]].
Creates basic screen elements on the current selection screen.