Configuring Notification using Cortex Alertmanager #5979

Hi everyone,

I have an assignment of configuring notification in cortex ruler and when notification fired i have to consume it and used in my api.
can some one provide clear documentation with examples.

1. How to download, install and configure cortex alert manager for cortex version v1.14.0
2. How to integrate ruler and alert manager
3. How to consume alert manager in my api
   Please some one help by providing a clear documentation along with useful examples.