> For the complete documentation index, see [llms.txt](https://docs.docontrol.io/docontrol-user-guide/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.docontrol.io/docontrol-user-guide/workflows/define-workflow-settings/action-settings/utilities/docontrol-api-action/api-for-on-demand-remediation/add-new-mutation.md).

# Add new mutation

Using the DoControl API, you can remediate exposure of sensitive files in your Google Drive inventory with automated remediation actions.

To set up on-demand remediation, you need to add a new mutation in DoControl’s API step.

1. In your DoControl workflow, go to the **DoControl API step**.

2. Click **API Explorer**.<br>

   <figure><img src="https://3236294211-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MesrnyDMZGYg1V-tOBo%2Fuploads%2Fy22LTgjkeBwHSlFN2ERD%2FDoControl%20API%20new.png?alt=media&amp;token=7b63cde1-e680-4f06-a0b2-fb6f1944a9df" alt=""><figcaption></figcaption></figure>

3. In the bottom left, next to **Add new**, select **Mutation**.&#x20;

4. For the mutation, select `startGoogleRemediationAssessment`.\ <br>

   <div align="left"><figure><img src="https://3236294211-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MesrnyDMZGYg1V-tOBo%2Fuploads%2Fff6RodfvcRq4wu4KgBwX%2Funknown.png?alt=media&amp;token=6854ed90-6fb9-4f0c-b2bc-6afaccb61408" alt="" width="506"><figcaption></figcaption></figure></div>

5. Insert `filterString` in the left sidebar. It will appear on the right side escaped with backslashes.<br>

   <figure><img src="https://3236294211-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MesrnyDMZGYg1V-tOBo%2Fuploads%2FIcektj2UnkwePSMOrOqI%2FExplorer%20filter%20string.png?alt=media&amp;token=022107e0-4125-444f-a8d3-dde8b7e533b6" alt=""><figcaption></figcaption></figure>

6. Continue to the next step: [Set up filters for API remediation.](/docontrol-user-guide/workflows/define-workflow-settings/action-settings/utilities/docontrol-api-action/api-for-on-demand-remediation/set-up-filters-for-api-remediation.md)


---

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