Button("Save") {
   let tempName = nameInput.trimmingCharacters(in: .whitespaces)
   let tempSurname = surnameInput.trimmingCharacters(in: .whitespaces)

   if !tempName.isEmpty && !tempSurname.isEmpty {
      title = tempName + " " + tempSurname
      focusName = nil
   }
}
.disabled(nameInput.isEmpty || surnameInput.isEmpty)