Duration.Minutes Function of Power Query
The Duration.Minutes function in Power Query returns the minutes portion of a duration.
Syntax
 Duration.Minutes(duration as nullable duration) as nullable number 
 • duration: The input, which must be a duration type (e.g., created with #duration(days, hours, minutes, seconds)). 
 Returns: It returns the integer number of minutes from the duration. 
Example: Extract the minutes from a duration value.
Power Query M
let
    extract_min = Duration.Minutes(#duration(5, 4, 3, 2))
in
    extract_min  The output of the above code is 3.