Azure-devops-docs: Missing description of system variables: System.StageName and System.StageDisplayName

[NenoLoje]

These system variables seem to exist, but are not yet documented. Please add them to the page.

---

Document Details

⚠ Do not edit this section. It is required for docs.microsoft.com ➟ GitHub issue linking.

• ID: 9ffebdc8-521c-44b5-cde4-4abdc1bd6f18
• Version Independent ID: dc0effda-6d93-62aa-64c5-4e6f283b0826
• Content: Predefined variables - Azure Pipelines
• Content Source: docs/pipelines/build/variables.md
• Product: devops
• Technology: devops-cicd
• GitHub Login: @steved0x
• Microsoft Alias: sdanie

[vtbassmatt]

I have a fix in PR for this (unfortunately it's in a private repo at the moment).

[mikeblakeuk]

Should Pipeline.StartTime also be included?

[vtbassmatt]

Should Pipeline.StartTime also be included?

I don't know when that variable got added nor whether the team intends to support it. I'll follow up and get the team to doc it (or remove it!).

The rest of these are done.