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# Synchronize the Category Index with Stored Categories

You can use the `CategorySyncCatDRE` action to synchronize the category index with the categories stored on disk. `CategorySyncCatDRE` deletes the current contents of the category index, and overwrites it with the category information stored on disk. For example:

    action=CategorySyncCatDRE

In this example, the Category component synchronizes its category index with the categories stored on disk.

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Version 25.4 | Last updated October 2025

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Product: Knowledge Discovery View Component 25.4

Topic Title: Synchronize the Category Index with Stored Categories