Filtering Branch Content
A filter enables reduction of the number of objects presented in a branch using criteria defined from a MetaAttribute, a MetaAssociationEnd or a query.
To create a filter on a MetaTreeBranch:
1. Open the Properties window of the MetaTreeBranch concerned.
For example "(Projects) My Project Folder - My Projects Collect".
2. Right-click in the Populating Filter space and select Add to create a new filter.
3. In the Type field of the filter created, select the type of filter you want to use.
For example, if you want to create a filter on projects that do not have a parent project, use the "Parent Project" MetaAssociationEnd.

4. In the Name field, select the identifier that interests you.
For example "Parent Project".
5. Select an Operator, then a Value.
In the same way you can add a second filter criterion, for example the "Importance" attribute of the project.

To see the result: