problemMatcher - documentation

In some action we can found, that they write to logs:


I’m looking for documentation for this feature.

I found only

but on this page is missing of this.
Can you point me some place?


Thank you for your feedback. We have passed this along to the product team for future consideration.

Hey @slawekjaranowski,

Unfortunately no official documentation, but I’ve been exploring problem matchers today and put down my findings in a blog post. Hope it can be of use!



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Does this count?

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Thanks! I thought that the documentation at wasthe go to documentation, but the toolkit seems much more complete.

I wonder why has no section about problem matchers (as of Dec. 2020), but I’ve found the following one is the only doc that describes the syntax of problem matchers: