| 0x08 | ParameterName | FName | 6 flags | None |
| 0x10 | ExpressionGUID | FGuid | 5 flags | {A=0, B=0, C=0, D=0} |
| 0x10 | Input | FMaterialAttributesInput | 2 flags | {PropertyConnectedBitmask=0} |
| 0x0068 | 0x08 | padding / unreflected |
| 0x40 | DefaultLayers | FMaterialLayersFunctions | 2 flags | {Layers=[1 item], Blends=[], LayerStates=[1 item], KeyStrin… |
| 0x10 | LayerCallers | TArray<UMaterialExpressionMaterialFunctionCall*> | Transient+3 flags | [] |
| 0x04 | NumActiveLayerCallers | int32 | Transient+5 flags | 0 |
| 0x00C4 | 0x04 | padding / unreflected |
| 0x10 | BlendCallers | TArray<UMaterialExpressionMaterialFunctionCall*> | Transient+3 flags | [] |
| 0x04 | NumActiveBlendCallers | int32 | Transient+5 flags | 0 |
| 0x01 | bIsLayerGraphBuilt | bool | Transient+5 flags | false |
| 0x00DD | 0x0B | unreflected bytes to end of UMaterialExpressionMaterialAttributeLayers |