converting Tableau functions into Power BI

[Anonymous]

 DATE(if isnull([date range 1]) then [Date range 2] else [date range 1] END)

How to conver this tableau function into power BI dax 

[amitchandak · Accepted solution]

@Anonymous ,

if isblank([date range 1]) , [Date range 2] ,[date range 1] )

or

Coalesce([date range 1],[Date range 2] )

datevalue is need to concert to date if need

datevalue(Coalesce([date range 1],[Date range 2] ) )