Call core routine ENQ CUSTOMER.POSITION

Dear All,

I facing the problem of calling the core subroutine ENQ CUTOMER.POSITION, i use below code:

Y.ID = '216044'
OPERATION = ""
DETAILS<1> = 'CUSTOMER.POSITION'
DETAILS<2> = 'CUSTOMER.NO':VM:'EQ':VM:Y.ID:VM:''
CALL S.ENQUIRY.REPORT(OPERATION, DETAILS)

SEL.CMD = "SELECT &HOLD& WITH @ID EQ ":DETAILS
EXECUTE SEL.CMD

As the result, the R.RECORD is empty, but when I check the &HOLD& id, it having a record

Can someone telling me how to call the core enquiry of CUSTOMER.POSITION and get the output from this enquiry?

Which R.RECORD ?
What do you do after selecting &HOLD& with the returned report ID ?

R.RECORD is keep the output data (result) from enquiry.

Only when you have I_ENQUIRY.COMMON in your routine and when you launch the routine from inside an enquiry . . .

But again :
"What do you do after selecting &HOLD& with the returned report ID ? "
and what kind of routine is this - where attached - what do you try to achieve ?