How to use signal and slot in Python plugin which will invoke

how to pass a sting in signal and slot in pyqt5 new style? python signal slot A slot can listen for multiple signals; One signal can be connected to another; Signal parameters can be of any Python type; Signal connections to slots can python signal slot Slots A slot is a callable that can receive a signal and respond to it To respond to events, you connect signals to slots When you connect a signal to a slot

python slot machine You'll need to do two things before building the signalslot connection: Verify that activeLayer() is in fact returning a QgsMapLayer