UMaterialExpressionFunctionInput * ExpressionInput
Reference to the FunctionInput in the material function. This is a reference to a private object so it can't be saved, and must be generated by UpdateFromFunctionResource or SetMaterialFunction.
UMaterialExpressionFunctionInput * ExpressionInput
Reference to the FunctionInput in the material function. This is a reference to a private object so it can't be saved, and must be generated by UpdateFromFunctionResource or SetMaterialFunction.