Class uuid
0493c6c1-b969-4784-abb3-814cfedd9da4
Lesson uuid
f2b9365c-2abb-48b8-968f-7102b204bcc9
Location uuid
5e63f58c-4034-45e5-af0d-6ae4396b3feb
Person uuid
3ce64ac5-3d09-440f-85bb-287e381e2c75