GroupBy with Lookup value in sharepoint list

[Anonymous]

I'm working on powerApps to display the data from sharepoint as below:

First I have table which have looku valus inside it.

in power apps I'm trying to display valus inside galary from this table (highlighted fields are lookup) 

I used this formula but not work for lookup:

AddColumns(GroupBy('Activities', "Employee", "ByEmp"),"SumofPoints",Sum(ByEmp, 'Working hours'))

[RezaDorrani]

Hi @Anonymous 

GroupBy only works with Tex,Numeric or DateTime fields

Employee looks to be a people picker field

Create another text field - name it employee text - and store the name as a string there (so you can use it for groupby)

Regards,

Reza Dorrani

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[v-litu-msft]

Hi @Anonymous,

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Best Regards,
Community Support Team _ Lin Tu

[HabK]

Hi @RezaDorrani ,

Does GroupBy work in forms in Poweapps? I want to filter the choice column based on another choice column and I am wondering if it's possible with Group By ?

Thanks

Habib