Sum of UDF Rows in same UDF Last Row

Hi,
I have created a UDF in the Marketing Documents - Rows as a Price field. The requirement is:
I enter, suppose, three prices one after the other in the Column till the third row. In the fourth Row, I want the sum of the previous three rows to be displayed on pressing Shift + F2. Can any one help me with the query for formatted search please?
Regards
Sudatt

Hi Kevin,
You got that almost right. But the FMS is not on a different UDF, but the same UDF.
Example:
ROW No                  Value
1                                100
2                                200
3                                300
4                                400
5                                500
                                1500         (This value will come from FMS with a Shift + F2)
Regards
Sudatt

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Re: the last row count
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sinogram.vi ‏53 KB

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Sum of UDF Rows in same UDF Last Row

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