> [!NOTE] > The pull request "[test(node):Test runName parameter in handleChainStart for langchain](https://github.com/getsentry/sentry-javascript/pull/19562)" was created by @RulaKhaled but did not reference an issue. Therefore this issue was created for better visibility in external tools like Linear. This PR adds a test for langchain where handleChainStart uses runName for the span description and attribute instead of falling back to unknown_chain.
Note
The pull request "test(node):Test runName parameter in handleChainStart for langchain" was created by @RulaKhaled but did not reference an issue. Therefore this issue was created for better visibility in external tools like Linear.
This PR adds a test for langchain where handleChainStart uses runName for the span description and attribute instead of falling back to unknown_chain.