What is the Task equivalent to Promise.then()?

I’ve used ContinueWith which can work if you have one or multiple Tasks running.

example:

public async Task<T> MyAsyncFun() {
    T value = await ...
    return value;
}

MyAsyncFun().ContinueWith(...

https://msdn.microsoft.com/en-us/library/dd270696(v=vs.110).aspx