💥 Firestore Queries and Performance Guarantees - orderBy and array contains

[@Muhammad_Mabrouk]

Amazing tutorial!, Thanks a lot :)

[@ishraq95]

can you tell me the way you have added data to the categories array ?

[@ahmedjawad7350]

Great help tanks a lot

[@didac3918]

Your code is wrong. Type Observableis not assignable to type Observable

[@rejanerp]

tks

[@JoseGarcia-je6tf]

Exelent !!!!