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> Unreal Engine API Reference > Runtime > Engine > FExpressionInput > Expression

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Expression

Material expression that this input is connected to, or NULL if not connected.

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Syntax

UMaterialExpression * Expression

Remarks

Material expression that this input is connected to, or NULL if not connected. If you want to be safe when checking against dangling Reroute nodes, please use GetTracedInput before accessing this property.

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