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API > API/Plugins > API/Plugins/MetasoundFrontend > API/Plugins/MetasoundFrontend/IDocumentController > API/Plugins/MetasoundFrontend/IDocumentController/FindOrAddClass
References
| Module | MetasoundFrontend |
| Header | /Engine/Plugins/Runtime/Metasound/Source/MetasoundFrontend/Public/MetasoundFrontendController.h |
| Include | #include "MetasoundFrontendController.h" |
FConstClassAccessPtr FindOrAddClass
&40;
const FNodeRegistryKey & InKey,
bool bInRefreshFromRegistry
&41;
Remarks
Attempts to find an existing Metasound class description corresponding to a dependency which matches the provided class information. If the class is not found in the current dependencies, it is added to the dependencies. If found and bInRefreshFromRegistry is set (optional) , copies the version found in the registry to the document. A pointer to the object, or nullptr on error.