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> Unreal Engine API Reference > Runtime > Messaging > IMessageAttachment

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IMessageAttachment

Interface for message attachments.

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MacOS

Linux

Inheritance Hierarchy

IMessageAttachment

FFileMessageAttachment

References

Module	Messaging
Header	/Engine/Source/Runtime/Messaging/Public/IMessageAttachment.h
Include	#include "IMessageAttachment.h"

Syntax

class IMessageAttachment

Remarks

Interface for message attachments.

Message attachments are optional bulk data objects that can be attached to a message, such as files or memory buffers. Transferring attachments within the same process is very efficient and amounts to copying a pointer to the data. On the other hand, sending message attachments to applications running in other processes or on other computers may - depending on their size - take a considerable amount of time, because they need to be serialized and transferred. For this reason, attachments are transferred separately from messages in such cases.

NOTE: Message attachments are not fully implemented yet. In particular, transferring attachments over a network does not work yet. This API may change in the near future, so please use with care.

Destructors

	Name	Description
	~IMessageAttachment()	Virtual destructor.

Functions

		Name	Description
	FArchive ...	CreateReader()	Creates an archive reader to the data.