Accessing the methods of a preprocessor name dataset in Progress 4GL

[user3597088]

I'm trying to access the methods of a dataset in Progress, where the dataset is defined as a preprocessor item. I'm just learning 4GL... maybe this isn't even possible? Here is the scenario in code:

/*My Procedure*/
{Receipt/Receipt_ds.i}

def var hReceipt as handle no-undo.
def var hDataSet as handle no-undo.

run Receipt/Receipt.p persistent set hReceipt.
run GetData in hReceipt ({&input-output_dataset_ReceiptDataSet}).
/* do some stuff */

/* get the handle to the dataset??? Obvious syntax issue here. */
hDataSet = DATASET {&input-output_dataset_ReceiptDataSet}:HANDLE.

/* Empty the DataSet (this is what I want to do)*/
hDataSet:EMPTY-DATASET().


/*Receipt/Recipt_ds.i*/
define dataset ReceiptDataSet for
ttRcvHead,
ttRcvDtl,
data-relation for ttRcvHead, ttRcvDtl relation-fields(
stuff, stuff
).
&global-define input-output_dataset_ReceiptDataSet input-output dataset ReceiptDataSet


Clearly my code does not have the correct syntax as mentioned in my comment. Does anyone know what the right way of doing this would be?

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