Variables order in the KEEP RENAME WHERE INDEX clause in the data sets

Variables order in the KEEP RENAME WHERE INDEX clause in the data sets:

1) KEEP = variables name exactly the same as original data set

2) RENAME change the original variable name to the new one

3) WHERE INDEX should use the new name

In the following clicks table has variable event_id guid is_cpa.

proc sort data= clicks (keep=event_id guid is_cpa rename=(event_id=id is_cpa=cpa guid=fsid)) where=(cpa=1) out=test1(index=(fsid));

by id;

run;