GroupBy Parameter (Select-AzureAD Cmdlet)
A comma-separated list of columns that the result set will be grouped by.
Syntax
Select-AzureAD -GroupBy string
Remarks
The comma-separated list of columns to aggregate the values of and execute a summary function over. Specify the summary function in the Columns parameter with the same syntax you would use for an SQL statement. For example:
Select-AzureAD -Connection $conn -Table DirectoryRoles -Columns @("displayName","SUM(passwordValidityPeriodInDays)") -GroupBy "displayName" -Where "Id = 'Jq74mCczmFXk1tC10GBs'"