Send Command To Charging Station

[digzaw]

According to the documentation, we can send request command to the charger station using the simplified API: https://github.com/lorenzodonini/ocpp-go?tab=readme-ov-file#sending-requests

how to run the command outside the SetNewChargePointHandler , because when trying to send command like the example

`func TestSendCommand(t *testing.T) {
cb := func(request *core.ResetConfirmation, e error) {
if e != nil {
log.Printf("operation failed: %v", e)
log.Printf("status: %v", request.GetFeatureName())
} else {
log.Printf("status: %v", request.GetFeatureName())
// ... your own custom logic
}
}

err := utils.CentralSystem.Reset("2", cb, core.ResetTypeSoft)

if err != nil {
	log.Println("error")
	println(err.Error())
}

fmt.Println("ok")

}`

get the panic error:
`--- FAIL: TestSendCommand (0.00s)
panic: runtime error: invalid memory address or nil pointer dereference [recovered]
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x88 pc=0x665568]

goroutine 19 [running]:
testing.tRunner.func1.2({0x69eae0, 0x9180b0})
/usr/local/go/src/testing/testing.go:1545 +0x238
testing.tRunner.func1()
/usr/local/go/src/testing/testing.go:1548 +0x397
panic({0x69eae0?, 0x9180b0?})`

Thanks Before