Using async/await in Unity

Require Unity 2021.3.6f1

Type t is awaitable if one of the following holds:

• t is of compile-time type dynamic
• t has an accessible instance or extension method called GetAwaiter with no parameters and no type parameters, and a return type A for which all the following hold:
  • A implements the interface System.Runtime.CompilerServices.INotifyCompletion
  • A has an accessible, readable instance property IsCompleted of type bool
  • A has an accessible instance method GetResult with no parameters and no type parameters

Async/Await specification