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API > API/Plugins > API/Plugins/NiagaraEditor > API/Plugins/NiagaraEditor/UNiagaraStackFunctionInput
Description
Sets this input's data interface value via a caller-supplied function. The function receives the placeholder DI; the graph-side override is synced via the manager's OnChanged handler.
| Name | SetDataInterfaceValueExternal |
| Type | function |
| Header File | /Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/ViewModels/Stack/NiagaraStackFunctionInput.h |
| Include Path | #include "ViewModels/Stack/NiagaraStackFunctionInput.h" |
| Source | /Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Private/ViewModels/Stack/NiagaraStackFunctionInput.cpp |
void SetDataInterfaceValueExternal
(
TSubclassOf < UNiagaraDataInterface > InDataInterfaceType,
TFunction < void *)> ExternalSetFunction
)