# Grasshopper.Rhinoceros.Model.Params namespace

Assembly: [Grasshopper](https://developer.rhino3d.com/api/gh1/assembly/grasshopper.md)

## Classes

- [Param_EarthAnchorPoint](https://developer.rhino3d.com/api/gh1/type/grasshopper.rhinoceros.model.params.param-earthanchorpoint.md)
- [Param_ModelInstanceDefinition](https://developer.rhino3d.com/api/gh1/type/grasshopper.rhinoceros.model.params.param-modelinstancedefinition.md)
- [Param_ModelLayer](https://developer.rhino3d.com/api/gh1/type/grasshopper.rhinoceros.model.params.param-modellayer.md)
- [Param_ModelObject](https://developer.rhino3d.com/api/gh1/type/grasshopper.rhinoceros.model.params.param-modelobject.md)