It is easy for you to create or add resources in a catalog using the Catalog Browser. Although there are a variety of resources in a catalog, the ways you create them are fairly similar - select a resource node of the type that you want to create, and then create them using either toolbar buttons or context menu.
To add a resource:
For example, if you want to create a formula, right-click the Formulas node and select Add Formula. The Formula Editor window will be displayed. Create the formula in the window as required.