Distributed Index Handler 25.4
Distributed Index Handler Help

# Change Document Field Values

The DREREPLACE action instructs the DIH to change the values of fields in its child Content component indexed documents.

NOTE: This action requires a `POST` request method.

Use the following action syntax:

    http://DIHhost:IndexPort/DREREPLACE?Data#DREENDDATA

When you send this action to the DIH instead of to Content, note:

- `DIHhost` is the IP address (or name) of the machine on which the DIH is installed, and `IndexPort` is the number of the port that you use to send index actions to the DIH.
- Specify documents only by reference, not by document ID. Because dissimilar documents in different databases can have the same document ID, using document IDs with this action can have unintended consequences.

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Version 25.4 | Last updated October 2025

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Product: Knowledge Discovery Distributed Index Handler 25.4

Topic Title: Change Document Field Values