def log_body_fat(fatPercentage, date, opts={})
      opts[:fat] = fatPercentage
      opts[:date] = format_date(date)
      opts[:time] = format_time(opts[:time]) if opts[:time]
      post("/user/#{@user_id}/body/fat.json", opts)
    end
def log_body_fat(fatPercentage, date, opts={})
      opts[:fat] = fatPercentage
      opts[:date] = format_date(date)
      opts[:time] = format_time(opts[:time]) if opts[:time]
      post("/user/#{@user_id}/body/fat.json", opts)
    end
Log body fat percentage

 @param [Decimal, Integer, String] fatPercentage Body fat percentage to log,
   in format "X.XX" if a string
 @param [DateTime, Date, String] date The date to log body fat percentage on,
   in format "yyyy-MM-dd" if a string
 @param [Hash] opts
 @option opts [DateTime, Time, String] :time The time to log body fat percentage
   at, in " HH:mm:ss" format if a String

 @since v0.9.0