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How to change Excel PowerQuery Paramaters with VBA?

i.e. These Paramaters:

Excel Power Query

Right now the Paramater has a value of 8, and is used in refreshing all other power queries. How can I change this paramater with VBA?

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    Do you frequently need to change the parameter? If so, you could pick up the value from a cell. Otherwise, just change the value in the M code. Commented Oct 8, 2018 at 14:05
  • Yes, I need to change it frequently. The reason the vba code simply copies the workbook an arbitrary number of times (changing the parameter in each one). The copied workbook is not a macro workbook, which is why I am using Query Parameters. Commented Oct 8, 2018 at 14:19
  • google.co.uk/… I partic like the ExcelIsFun versions. Commented Oct 8, 2018 at 14:21

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Thanks to QHarr, I figured it out. Simply edit the Power Query M Code - the Parameter value is first item in the Code.

e.g.

5 meta [IsParameterQuery=true, Type="Number", IsParameterQueryRequired=true]

5 is the Parameter Value.

To edit, use the "Formula" Property e.g.

ThisWorkbook.Queries("ParameterName").Formula = 'New code here
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3 Comments

How do you run the query? Do a Refresh? Can you share more M code so I can see where you added the meta?
The meta is the first line i.e. for a parameter, the M code I posted above is all there is. Refresh other queries that depend on the parameter.
Thanks! In principle it works great, but I would just add that the correct syntax in my case is: ThisWorkbook.Queries.Item("name_of_the_parameter").Formula = "new_formula_goes_here"

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