How to create multiple relationships with other tables?
For example, I have a bill table, in which I can select dishes and enter quantities for them, after selecting a dish, another select form will be displayed and the user can select the next dish. follow there.
Solution
I think you're searching for Repeater ?
https://filamentphp.com/docs/3.x/forms/fields/repeater#integrating-with-an-eloquent-relationship
https://filamentphp.com/docs/3.x/forms/fields/repeater#integrating-with-an-eloquent-relationship