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Cast, Interface or Event Dispatcher?

A one-page guide to choosing how two Blueprints talk to each other, with the example from the course for each method.

• The four ways Blueprints communicate, side by side
• When to use a direct reference, Cast To, an Interface or an Event Dispatcher
• The traps: read-only Interfaces and Custom Events that cannot return values
• Four quick questions to decide in seconds

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