var client = TuyaClient.GetBuilder()
    .UsingDataCenter(DataCenter.CentralEurope)
    .UsingClientId("<your_client_id_here>") // replace with your actual client id
    .UsingSecret("<your_client_secret_here>") // replace with your actual client secret
    .UsingLogger(NullLogger<ITuyaClient>.Instance)
    .Build();

var devices = await client.DeviceManager.GetDevicesByUserAsync("<user_id_here>")); // replace with the actual end-user id that is linked to your Tuya developer account.
/// do something..

// Retrieve the status of the lighting device to check whether the light is turned on or off.
var device = await client.DeviceManager.GetDeviceAsync("<lighting_device_id_here>"); // replace with your actual lighting device id
var status = device?.StatusList?.FirstOrDefault(ds => ds.Code == "switch_led");

if (status?.Value is not bool)
{
    throw new Exception("Cannot obtain the value of the device status, the switch_led status did not return bool as expected.");
}

// Get the device status (true if the light is turned on, false otherwise)
var isTurnedOn = (bool)status.Value!;

// Create the command to send an instruction to maniuplate the light status
var command = new Command()
{
    Code = "switch_led",
    Value = !isTurnedOn, // switch the value
};

// Send the command and obtain the result from the server.
var result = await client.DeviceManager.SendCommandAsync(device, command); // returns true if the command was executed successfully, false otherwise.