Sequential Call Best Practice

Ionic Framework ionic-v3
1

Hi guys,
I need to implement 2 sequential call:

  1. async GET call 1 return MyObject
  2. async POST call 2 use MyObject

I’d like to understand which is the best solution using Observable pattern. Could you please help me?

Thanks

2

mergeMap.

1 Like
3

I don’t understant How it works. Have you an simple example?

Thanks