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API > API/Runtime > API/Runtime/Messaging > API/Runtime/Messaging/IMessageTracer
A delegate that is executed when the collection of known messages types has changed.
| Name | FOnTypeAdded |
| Type | class |
| Header File | /Engine/Source/Runtime/Messaging/Public/IMessageTracer.h |
| Include Path | #include "IMessageTracer.h" |
Syntax
class FOnTypeAdded : public TBaseMulticastDelegate_OneParam< void, FMessageTracerTypeInfoRef >
Inheritance Hierarchy
- TBaseMulticastDelegate_OneParam< void, FMessageTracerTypeInfoRef > → IMessageTracer::FOnTypeAdded