PMM is not accepting the custom alert manager config in /etc/alertmanager.yml. It seems its uneditable. I want to edit it and add alert conditions and slack notifications to it.
/etc/alertmanager.yml
# Managed by pmm-managed. DO NOT EDIT.
---
global:
resolve_timeout: 0s
smtp_require_tls: false
route:
receiver: empty
continue: false
receivers:
- name: empty
templates: []`