# What this PR does
Changing source link default template to the link to the first alert in
the group `alerts[0].generatorURL`. `externalURL` as a backlink to the
Alertmanager, is too general
## Which issue(s) this PR closes
Related to [issue link here]
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## Checklist
- [ ] Unit, integration, and e2e (if applicable) tests updated
- [ ] Documentation added (or `pr:no public docs` PR label added if not
required)
- [ ] Added the relevant release notes label (see labels prefixed w/
`release:`). These labels dictate how your PR will
show up in the autogenerated release notes.
7d05e6afcb