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Unreal Engine C++ API Reference > Editor > BlueprintGraph > FBlueprintNodeTemplateCache
Syntax
TArray< TObjectPtr< UBlueprint > > TemplateOuters
Remarks
Unfortunately, we cannot nest template-nodes in the transient package. Certain nodes operate on the assumption that they have a UEdGraph outer, while a certain subset expect the graph to have a UBlueprint outer. This means we cannot spawn templates without a blueprint/graph to add them to.
This array holds intermediate blueprints that we use to parent the template-nodes. Ideally we only need a small handful that are compatible with all nodes.