@startuml
class DropdownTest {
    + intValue : int
}
class DropdownNest1 {
    + stringValue : string
}
class DropdownNest2 {
}
MonoBehaviour <|-- DropdownTest
DropdownTest --> "nest1" DropdownNest1
DropdownNest1 --> "nest2" DropdownNest2
DropdownNest2 --> "vectorValue" Vector3
@enduml