City have many districts, districts have many wards - relation one to many. How can I customized the relation field that : when I choose a city, the districts field value just contain districts belongs to city that I selected, so on with the ward.
My country have many same ward’s name so I can’t just simply add only ward relation field.
Is it possible? How can I do it? I just new to Strapi. Pls help me, many thanks.