UV Sync Keymap

If you work heavily with UV, and meshes you use a lot Sync forward and back. But this action has no keymap assigned.

You can add an wm.context.toggle scene.tool_settings.use_uv_select_sync in UV General to add this feature. This "technically" switch between two modes of working with UVs, that's why the proposal suggest Ctrl+Tab This key is already used for Select Mode context menu. But you already have 1, 2, 3 and (4) for selecting this modes, and you can do more operation selecting multiple with shift, expand with ctrl... And you don´t have this context menus in 3D_View, witch has the same 1,2,3 selection mode. What are your thoughts on this?