— Hook: enter-workspace-hook
— Hook: leave-workspace-hook

Called when switching from one workspace to another. This includes switching caused by adding or removing a workspace. The hook is called with a list containing the workspace in question.

— Window Hook: add-to-workspace-hook
— Window Hook: remove-from-workspace-hook

Called when a window is added or removed from a workspace. In addition to the window, the hook is called with a list containing the workspace being changed. If the window is in multiple workspaces, then removing triggers remove-from-workspace-hook for each workspace.

— Hook: workspace-state-change-hook

Called when any aspect of the workspaces change, including adding a workspace, removing a workspace, moving a workspace, inserting or removing a window from a workspace, etc. This hook is called with no arguments, so you should use one of the more specific hooks if possible.

— Hook: viewport-resized-hook

Called when the number of rows and columns in each virtual workspace is changed.

— Hook: viewport-moved-hook

Called when the origin of the viewport into the virtual workspace is moved.

— Hook: enter-flipper-hook
— Hook: leave-flipper-hook

When viewport edge-flipping is enabled, these hooks are called as the pointer enters and leaves the pixel-wide border on the edge of the screen. They're called with a single argument, one of the symbols left, right, top, bottom indicating the edge in question.