PLATEFORME - Customization (Windows) (EN) > Customizing the Metamodel > Managing the Metamodel > Perimeters > Modifying the MetaTool Default Perimeter
Modifying the MetaTool Default Perimeter
*The default perimeter you want to define for the MetaTool must previously be connected to the MetaTool, see Using a Perimeter in a MetaTool.
A MetaTool can be connected to several perimeters, which enables building different sets of objects and links from the same root object.
To modify the MetaTool default perimeter:
1. In the MetaStudio navigation window, expand the Perimeters folder.
2. Expand the Perimeters by Tools folder.
3. Open the properties of the MetaTool concerned.
4. In the Characteristics tab, modify the value of Default Perimeter via the drop-down menu.
The default perimeter of the MetaTool is modified.