You could create a custom object for models. Each model would then have fields (like a contact or company record) that could be field.
At the moment, associated record fields cannot be made required yet, so if that's a concern, you would have to work with potentially many fields on the ticket object:
Number of models (dropdown with options 1, 2, 3, etc)
in Tickets & Form: How to create two fields with a many-to-many correspondence relationship?
SOLVE
Hi Karsten Köhler,
thank you very much, it's a good way for tickets, but couldn't be applyed on Form. when our dealer fill out this properties in Form, it can realise the M:M relationship. how can we acheive it on Form?
in Tickets & Form: How to create two fields with a many-to-many correspondence relationship?
SOLVE
Hi it really have some problems, i set a dependent property for each dropdown values, when i choose one item, it's normal, but when i choss 2 items, it should be showm 2 dependent properties, but it shows 0.