vnpy/examples/VnTrader/RM_setting.json

{
    "orderFlowClear": 1, 
    "orderCancelLimit": 10, 
    "marginRatioLimit": 0.85, 
    "workingOrderLimit": 20, 
    "tradeLimit": 1000, 
    "orderSizeLimit": 100, 
    "active": true, 
    "orderFlowLimit": 50
}