Consider using new using callExtension format

[vbawol]

https://community.bistudio.com/wiki/callExtension

Alternative Syntax
Syntax:
extension callExtension [function, arguments]         (Since Arma 3 v1.67)
Parameters:
extension: String - extension name
[function, arguments]: Array - callExtension params
function: String - extension function identifier
arguments: Array - function arguments. Could be array of Anything, each element will be converted to String automatically. Current allowed max length of this array is 1024
Return Value:
Array - in format [result, returnCode, errorCode], where:
result: String - data sent back from extension. It is up to extension maker what it is.
returnCode: Number - integer return from extension method. It is up to extension maker to define it.
errorCode: Number - error code in case of command error (see description). 0 means no errors.