> For the complete documentation index, see [llms.txt](https://docs.onum.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.onum.com/actions-changelog/lookup.md).

# Lookup

Learn more about this Action in [this article](/pipelines/actions/enrichment/lookup.md).

<details>

<summary>v0.1.2</summary>

<mark style="background-color:purple;">**Released on**</mark> <mark style="background-color:purple;"></mark><mark style="background-color:purple;">05/06/2025</mark>

The Action now validates if the lookup key columns match the type of their corresponding event fields.

</details>

<details>

<summary>v0.1.1</summary>

<mark style="background-color:purple;">**Released on**</mark> <mark style="background-color:purple;"></mark><mark style="background-color:purple;">02/08/2025</mark>

If an event field is empty, the event no longer goes through the `error` port of the Action. Now, the output fields are filled with the default values.

</details>

<details>

<summary>v0.1.0</summary>

<mark style="background-color:purple;">**Released on**</mark> <mark style="background-color:purple;"></mark><mark style="background-color:purple;">07/08/2024</mark>

Minor bug fixing

</details>

<details>

<summary>v0.0.1</summary>

<mark style="background-color:purple;">**Released on**</mark> <mark style="background-color:purple;"></mark><mark style="background-color:purple;">06/18/2024</mark>

Initial version

</details>