ExBinance.Private.cancel_order_by_client_order_id
You're seeing just the function
cancel_order_by_client_order_id
, go back to ExBinance.Private module for more information.
Link to this function
cancel_order_by_client_order_id(symbol, client_order_id, credentials)
See ExBinance.Rest.CancelOrder.cancel_order_by_client_order_id/3
.