BinanceFutures.USDM.MarketData.mark_price_klines

You're seeing just the function mark_price_klines, go back to BinanceFutures.USDM.MarketData module for more information.
Link to this function

mark_price_klines(symbol, interval, start_time \\ nil, end_time \\ nil, limit \\ 500)

View Source

Specs

mark_price_klines(
  binary(),
  BinanceFutures.interval(),
  nil | pos_integer(),
  nil | pos_integer(),
  pos_integer()
) :: {:ok, [list()]} | BinanceFutures.HTTPClient.error()

Gets Kline/candlestick bars for the mark price of a symbol. Klines are uniquely identified by their open time.

Example

iex(1)> BinanceFutures.USDM.MarketData.mark_price_klines("BTCUSDT", "5m", nil, nil, 2)
{:ok,
[
  [1616340900000, "57302", "57319.11709042", "57185.40000000",
    "57247.46000000", "0", 1616341199999, "0", 300, "0", "0", "0"],
  [1616341200000, "57240", "57311.07657677", "57240", "57307.87695491", "0",
    1616341499999, "0", 53, "0", "0", "0"]
]}