# Modifying rules, roles, and data sources in bulk

Modify multiple rules, roles, and data sources at one time by exporting a JSON file and
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editing the information in the JSON file.
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Perform the following steps to modify rules, roles, or data sources in bulk:

1. In a table that contains rules, roles, or data sources, select checkboxes for one or more rows of data that you want to modify.
2. At the bottom of the table, click **SELECTED**.
3. Click **Export**.
4. Enter a name for the JSON file and click Continue.
5. In the **Match Rules Exported** dialog box, click the download link to download the exported JSON file. The JSON file is downloaded to the location that you specify.
6. Click **Close**.
7. In a text editor, update the data in the JSON file.
8. Save the JSON file.

**Next steps**
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To add the updated rules, roles, or data sources that are in the JSON file to the application, complete one of the following procedures:

* [Adding match rules in bulk](/pentaho-data-mastering/configuring-match-rules/adding-a-match-rule/adding-match-rules-in-bulk.md)
* [Adding merge rules in bulk](/pentaho-data-mastering/configuring-merge-rules/adding-a-merge-rule/adding-merge-rules-in-bulk.md)
* [Adding user roles in bulk](/pentaho-data-mastering/setting-up-users-and-roles/adding-user-roles/adding-new-user-roles/adding-user-roles-in-bulk.md)
* [Adding data sources in bulk](/pentaho-data-mastering/sourcing-data/adding-a-data-source/adding-data-sources-in-bulk.md)


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