> For the complete documentation index, see [llms.txt](https://help.novacuraflow.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.novacuraflow.com/development/integration-engine/get-started/turn-on-diagnostics.md).

# Turn on diagnostics

In the beginning of the life cycle of an integration it is often helpful to turn on diagnostics, which will enable the integration to save variables as well as input and output message to and from the integration.

Note: your integration data may of course contain confidential and sensitive data from your or other's business worth protecting. Use this functionality with great care. If possible mostly in development and test/QA environments with un-sensitive data. Never leave it on for production environments without a distinct purpose, and never without a conscious decision.

On the integration click the tab Diagnostics.

* Track variable changes - if enabled, you will be able to inspect state of variables before and after each step
* Enable inspecting input to integration - if enabled, you will be able to inspect input to the integration, before any transformation
* Enable inspecting output of integration - if enabled, you will be able to inspect output of the integration, after any transformation

<figure><img src="/files/6ICpdhZdAfvKvdbHVp3P" alt=""><figcaption></figcaption></figure>


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