GDS SEND (APPC basic)

1 GDS SEND  CONVID(name)
2? 
2 FROM(data-area)
2.1? FLENGTH(data-value)
3? 
3 INVITE
3 LAST
4? 
4 CONFIRM
4 WAIT
5 CONVDATA(data-area)  RETCODE(data-area)
6? STATE(cvda)