def margin_fee(self, **kwargs):
    """Query Cross Margin Fee Data (USER_DATA)
    Get cross margin fee data collection with any vip level or user's current specific data as https://www.binance.com/en/margin-fee

    GET /sapi/v1/margin/crossMarginData

    https://binance-docs.github.io/apidocs/spot/en/#query-cross-margin-fee-data-user_data

    Keyword Args:
        vipLevel (int, optional): User's current specific margin data will be returned if vipLevel is omitted
        coin (str, optional)
        recvWindow (int, optional): The value cannot be greater than 60000
    """
    return self.sign_request("GET", "/sapi/v1/margin/crossMarginData", kwargs)