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Unreal Engine C++ API Reference > Runtime > LiveLinkInterface > ILiveLinkClient
| Type | Name | Description | |
|---|---|---|---|
  |
bool | IsSubjectValid
(
const FLiveLinkSubjectKey& SubjectKey |
Whether or not a subject from a specific source is valid and has valid snapshot data |
  |
bool | IsSubjectValid
(
FLiveLinkSubjectName SubjectName |
Whether or not the client has a subject with this name that is valid and has valid snapshot data |