// plan
my_signal ssig1<int, float, int>; // it's signature is (int x, float y, int z)
ssig1.connect(this, FunctionName);
// somewhere else in the code
ssig1.emit(10, 20.0, 5); // sends (10, 20.0, 5)
ssig1.emit(10, 23.5, 14); // sends (10, 23.5, 5)