To add a new main folder, select the All Folders root folder from the tree in the left panel, right click and select Add main folder from the context menu or click Add+ in the bottom right corner and then select the Folder option.
On the page that opens, specify the folder Name, Description, and optionally select an icon to represent this folder.
Click Save to add a new folder with the specified details. Optionally, continue editing its properties.
Click Close to close this page and return to the Process Designer view.
The newly added folder is added to the tree view and is preselected.