How to implement Table Function Operator?

Hello All,
Can some one post me the steps on how to implement this table function operator ??
Thanks ...

I don't know what else to say then that what's writen in help (F1):
To define a Table Function operator in a mapping:
Before you deploy the mapping containing the Table Function operator, you must manually create the table function in the target warehouse. The Table Function operator is bound to the actual table function object through the code generated by the mapping.
1. Drag and drop a Table Function operator onto the Mapping Editor canvas. A table function operator called TABLEFUNCTION is added to the Mapping Editor canvas.
2. Connect the appropriate source attributes to the input group of the table function operator.
3. Right-click the Table Function operator and select Open Details. The Table Function Editor is displayed.
4. From the Groups tab, select Add to add an output group

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