How to Use Signals in Godot 4 

In this video, you will learn how to use SIGNALS in Godot 4.
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00:00 Introduction
01:07 Button pressed signal
04:42 Collecting coins - body entered signal
09:38 Spawning enemies using the Timer signal
17:07 Creating your own signals
24:49 Signals and nodes via code
34:10 Signals between scenes - Autoload
41:40 Next Steps