Category "has-many"

SilverStripe unable to populate multiple member Childs

I have 3 type of users salesman => has many buyers buyer => has many agents agent has none child so I want to list all the buyers associate with that sale

Loopback4 hasMany not return the link array

I just try to use the hasMany relationship according to the loopback4 documentation .but it's not working as expected. My Bus Model => export class Bus exten