MultiUserClientLibrary | Unreal Engine 5.7 Documentation | Epic Developer Community

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API > API/Plugins


Name	MultiUserClientLibrary
Type	Developer
Part of Plugins	Multi-User Editing
Location	/Engine/Plugins/Developer/Concert/ConcertApp/MultiUserClient/Source/MultiUserClientLibrary/
Module Build Rules	MultiUserClientLibrary.Build.cs

Classes

Name	Remarks
FCustomEventHandler
FOnPackageSavedSignature	Delegate that is invoked when a package is saved.
FOnSessionClientChanged
FOnSessionConnected
FOnSessionDisconnected
UChangeClientAsyncAction	Enqueues a request for changing a specific client's stream and / or authority.
UMultiUserClientStatics
UMultiUserClientSyncDatabase
UMultiUserReplicationRegistration
UMultiUserReplicationRegistrationContext
UMultiUserReplicationSubsystem	Exposes ways to interact with the Multi-user replication system via Blueprints.
UMultiUserSubsystem

Structs

Name	Remarks
FChangeClientStreamFrequencyResponse	Result about changing frequency.
FMultiUserBlueprintEventData
FMultiUserChangeAuthorityRequest	Params for changing a client's authority (what they're replicating).
FMultiUserChangeClientAuthorityResponse
FMultiUserChangeClientReplicationRequest	Params for changing a client's stream or authority.
FMultiUserChangeClientReplicationResult	Result of processing a FChangeClientReplicationRequest.
FMultiUserChangeClientStreamResponse
FMultiUserChangeStreamRequest	Params for changing a client's stream.
FMultiUserClientConfig
FMultiUserClientDisplayInfo	Blueprint copy of FConcertClientInfo.
FMultiUserClientInfo	BP copy of FConcertSessionClientInfo Holds info on a client connected through multi-user
FMultiUserConnectionError
FMultiUserFrequencyChangeRequest	Params for changing how often objects replicate.
FMultiUserObjectReplicationSettings	Frequency settings for a particular object
FMultiUserPropertyChange
FMultiUserReplicationRegistrationParams
FMultiUserSessionInfo	BP copy of FConcertSessionInfo Holds info on a connected session.

Interfaces

Name	Remarks
IMultiUserReplicationRegistration	Exposes IReplicationDiscoverer to Blueprints.
IMultiUserReplicationRegistrationContext	Given to IMultiUserReplicationRegistration to register properties and objects.

Enums

Public

Name	Remarks
EMultiUserChangeAuthorityOperationResult	Result of changing a client's authority
EMultiUserChangeFrequencyErrorCode
EMultiUserChangeStreamOperationResult	Result of changing a client's stream
EMultiUserClientStatus	Exposes EConcertClientStatus
EMultiUserConnectionError	Enum of the known Multi-User connection error, their value needs to match the internally returned error code.
EMultiUserConnectionStatus	Connection status for Multi-User client sessions
EMultiUserObjectReplicationMode
EMultiUserPropertyChangeType
EMultiUserPutObjectErrorCode	Explains why a change to an object in the stream was invalid.
EMultiUserSourceValidationMode

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