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API > API/Runtime > API/Runtime/Engine > API/Runtime/Engine/FEmitter
Description
Registers the current expression as a subgraph.
- NumInputs is the number of input pins on this expression, used for connection insight deduplication.
- Outputs[i] is the inner expression that produces output i. When something later connects to this expression's output, resolution redirects to the mapped inner expression in the subgraph scope.
| Name | Subgraph |
| Type | function |
| Header File | /Engine/Source/Runtime/Engine/Public/Materials/MaterialIREmitter.h |
| Include Path | #include "Materials/MaterialIREmitter.h" |
| Source | /Engine/Source/Runtime/Engine/Private/Materials/MaterialIREmitter.cpp |
void Subgraph
(
int32 NumInputs,
TArrayView < FSubgraphOutputMapping > Outputs
)