Types of Interactive Controls

Messages (strings) sent to the strategy after interactive control is triggered:

• Number type
  After entering interactive data 123 in the input box of interactive control cmdNum, click the button of interactive control cmdNum. The GetCommand() function in the strategy program will receive the message: cmdNum:123.
• Boolean type
  After setting the switch control of interactive control cmdBool to on, click the button of interactive control cmdBool. The GetCommand() function in the strategy program will receive the message: cmdBool:true.
• String type
  After entering interactive data abc in the input box of interactive control cmdStr, click the button of interactive control cmdStr. The GetCommand() function in the strategy program will receive the message: cmdStr:abc.
• Dropdown
  After selecting the second option in the dropdown of interactive control cmdCombox, click the button of interactive control cmdCombox. The GetCommand() function in the strategy program will receive the message: cmdCombox:1, where 1 represents the index of the selected option, the first option has index 0, the second option has index 1.
• Button
  Click the button of interactive control cmdBtn. The GetCommand() function in the strategy program will receive the message: cmdBtn.

Application of interactive controls: Dynamically modify strategy parameters
For example, the strategy has a parameter called symbol. The strategy parameters added on the strategy interface are also global variables, so global variables in the code are used here for demonstration.

            javascript
            
            
// Strategy parameters
var symbol = "BTC_USDT"

function main() {
    while (true) {
        var cmd = GetCommand()
        if (cmd) {
            var arr = cmd.split(":")
            if (arr.length == 2 && arr[0] == "changeSymbol") {
                // When changeSymbol control is triggered, parameter update operation will be executed
                Log("Changed symbol parameter to:", arr[1])
                symbol = arr[1]
            }
        }

        LogStatus(_D(), ", Current symbol parameter value:", symbol)
        Sleep(3000)
    }
}

Setting up interactive controls: