# Viewing merge rule details

View merge rule details to review how you configured Pentaho Data Mastering to merge data from different sources.

Perform the following steps to view merge rules:

1. On the left navigation menu, click **Master Data**. The **Master Data** page opens.
2. In the **Merge Rules** card, click **Merge Rules**.

   The Merge Rules page opens with the list of merge rules shown in a table.
3. At the end of the row for a merge rule that you want to view, click the more actions icon () and select **View Details**.


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