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Max parameters in a DW Expression call to a Global Function?
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  3.  DataWindow
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  1. yakov werde
  2. PowerBuilder
  3. Friday, 5 September 2025 08:30 PM UTC

Hi 

What's the maximum number of arguments that can be passed to a global function called in a datawindow expression?

I've been successfully passing 6 like this

  f_filter_licence_dw(  gaming_organization_id , licence_id , gcis_reference , description , status_type,  bank_balance )

But when I add a seventh parameter to the function, the expression evaluator painter validates the signature

  f_filter_licence_dw(  gaming_organization_id , licence_id , gcis_reference , description , status_type,  bank_balance, 11 )

But a DWE displays a runtime error "Invalid Argument to Function" and the function is not called. It doesn't matter if the value is a dw column or a constant

Seems like there is a hard max number of values that can be passed!

Is 6 arguments the max?

Thanks for responding

Yakov

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