Laravel and create, update, delete ... events in logs table

I have created tables:

1. Category with

• id
• name
• ...

1. Users

• id
• username

1. logs

• id
• user_id
• table_name (table name in wich user create, update or delete record)
• object_id (id of for example category)
• task (created, deleted, updated)

for example i hawe cateogry with id 3 user with id 2 and logs record with:

• user_id => 2,
• table_name => category
• object_id => 3 (that is ide of category wich i hawe created)
• task => created

Question> How to make in Category.php model, one metod for example , createdBy() wich cann show username that created category ?

i need that for filament to show who creted, updated or ... some cateogories