Introduction to Unreal Engine / CORE BLUEPRINT SCRIPTING
Debugging Blueprints
After this page:
Open a Blueprint from the Level Outliner to edit the correct class quickly
Open and filter the Output Log to see Print String and other messages (LogBlueprintUserMessages)
Pick a specific Blueprint instance with the Object Debug Selector and watch wires light up during Play.
Add, toggle, and remove Breakpoints, then Step or Continue execution.
Debugging Blueprints Video
In this lesson you learn the core tools for finding and fixing problems in Unreal Engine Blueprints. You open a Blueprint directly from the Level Outliner to speed up iteration, use the Output Log to read messages from Print String and filter out noise, select a specific in-level instance with the Object Debug Selector so you can watch that one actor’s execution light up in real time, and place Breakpoints to pause the game, inspect variables, and step node by node. These skills help you see what your graph is really doing during Play and make it easier to spot logic mistakes early.
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Debugging Blueprints 
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