# AddFieldIfNotFound

Whether to add a new field if the DREREPLACE index action cannot find an existing one.

By default, the DREREPLACE index action allows you to modify the value of existing fields in previously indexed documents. If you specify field names that do not exist in the document, IDOL Content Component adds them as new fields. Set `AddFieldIfNotFound` to `False` if you want the DREREPLACE index action to only let you modify the value of existing fields.

Type: | Boolean
Default: | True
Required: | No
Configuration Section: | Server
Example: | `AddFieldIfNotFound=False`
See Also: |

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