| Name | Value | Description |
| FaceCountMeshReduceTargetType | 2 | Reduces mesh to a given specific number of faces. |
| MaximumDeviationMeshReduceTargetType | 0 | Reduces mesh by merging faces within a maximum deviation from the original mesh shape. If this criteria type is used, the reduce method type is ignored and the adaptive method is always applied. |
| ProportionMeshReduceTargetType | 1 | Reduces mesh to a given proportion of the number of faces on the original mesh. |