Layouts do not have a uuid. The layout manager can return a list of layouts, so you can use the index of that list to target them instead E.g

manager.printLayouts()[0].

The list should be in the order in which they have been added.

Layouts do not have a uuid. The layout manager can return a list of layouts, so you can use the index of that list to target them instead E.g.:

manager.printLayouts()[0]. 

The list should be in the order in which they have been added.