Is possible to creat a requerid field depending on an especific condition

Is possible to creat a requerid field depending on an especific condition

Dear Support,

We'd like to include a requerid field related to an especific condition.

for sample:

      Field Potential_Type can be
                  SAP ERP
                  Oracle 

      Fields' detail for SAP ERP

                  Field Text      Description
                  Field Picklist      Specialization
                  Field xxxx      .....

We need ask for detail when the Potential_Type is SAP ERP.

We know that there is the dependent related fields, but this work just for Picklist Field, not for remain kind of fields.

Could you help please?

Thanks.

Paulo Miguel.