Excellent free course, which I recommend taking.
Introduction to Field Service Lightning ( FSL ) | EP 1
https://www.youtube.com/watch?v=vVI4tKnhgXw
Field Service Lightning Setup | EP 2
https://www.youtube.com/watch?v=mH8IexKtBl0
Operating Hours and Service Territories | Day 3
https://www.youtube.com/watch?v=BqmH7D709-o
Skill and Work Types/ Work order in FSL | EP 4
https://www.youtube.com/watch?v=9gh4YhWxrBA
Service Resources | EP 5
https://www.youtube.com/watch?v=sD6iyoDklXc
Scheduling Policies in FSL | EP6
https://www.youtube.com/watch?v=GWa4XhnkOqg
Appointment Booking and Emergency Dispatch | EP 7
https://www.youtube.com/watch?v=QjP9aZ2O_7s
Dispatcher Console, Grant Chart and Scheduling Optimizer | EP8
https://www.youtube.com/watch?v=m3bVH1QlMfQ
Status Transitions and Inventory Management | EP9
https://www.youtube.com/watch?v=No_JeH5uVgY
Guided Setup | EP 10
https://www.youtube.com/watch?v=7iJu0VgzdLQ
Service Report and Mobile App Tour | EP 11
https://www.youtube.com/watch?v=LPnirH8ZOuw