Multiple dependency fields on Zoho Desk

Multiple dependency fields on Zoho Desk

Hi,

Is there some special setting in Zoho Desk that let me create a dependency field between 3 or more fields?

This is the situation: we have several customers and we identify them with a special field "Customer". Then, in order to ease the definition of a ticket, we have some fields such as Classification and Category.

For all customers the Classification field values are the same (e.g. Apps, IT and Operations) but this is not the case for the Category field: while the customer "A" can have 7 related values in "Category", "B" has another 8 categories that are completely different, and these categories are also separated depending on the "Classification" field.

My idea is to define the previous scenario but I understand that dependencies can only be applied between two fields. Is there any other way to build the scenario described (by using features like Layout Rules or Validation Rules)?

Thanks.