List.First Function in Power Query
The List.First function returns the first value of the list or the specified default if the list is empty. If the list is empty and a default value is not specified, the function returns null.
Syntax
List.First(list as list, optional defaultValue as any) as any
Example: Return the last two items of the list.
Power Query M
let Source = {"India", "America", "Canada", "Japan", "Australia", "England"}, Return = List.First(Source) in Return
The output of the above code is “India”.