Here's what you can do in NerdGraph:
The easiest way to discover alerts queries and mutations is through the NerdGraph API explorer.
Our NerdGraph API explorer is a GraphiQL editor where you can prototype queries and mutations. Here are some examples showing how to find fields for queries and mutations.
For general information about NerdGraph, see Introduction to NerdGraph.
To explore the various queries, look for the available queries under the
actor.account.alerts namespace in NerdGraph API explorer:
To explore various mutations, look in the alerts dropdown in the NerdGraph API explorer: