# Type

The indexes that you want to regenerate. To regenerate multiple indexes, separate the options with commas (there must be no space before or after a comma).

For most of these options, the index action regenerates data for the specified index, in the same way as the `Regenerate*Index` configuration parameters.

Value | Description
--- | ---
BitField | Regenerate the BitFieldType index.
Count | Regenerate the CountType index.
Geospatial | Regenerate the GeospatialType index.
Match | Regenerate the MatchType index.
Numeric | Regenerate the NumericType index.
NumericDate | Regenerate the NumericDateType index.
Parametric | Regenerate the ParametricType index.
ReferenceMemoryMapped | Regenerate the ReferenceMemoryMappedType index to restore parent-child relationships for documents that were indexed out of order. NOTE: You cannot use this option to update the configuration for ReferenceMemoryMappedType fields.
RefIndex | Regenerate the ReferenceType index. NOTE: You can use this option to regenerate after a validation failure. You cannot regenerate to update the configuration for ReferenceType fields.
SecIndex | Regenerate the SecurityType index. NOTE: You can use this option to regenerate after a validation failure. You cannot regenerate to update the configuration for SecurityType fields.
SortField | Regenerate the SortType index.

If you have set the FieldProcessingSection parameter, you can also set one of the following values:

Value | Description
--- | ---
Auto | Detect any changed field configurations in the specified FieldProcessingSection, and regenerate the appropriate field indexes. NOTE: This option does not detect other pending field configuration changes (for example, from an updated configuration file, or from a previous DREREGENERATE operations where `Type` was set to `None`). If you set `Type` to `None` to make multiple field configuration changes, you must then send a new DREREGENERATE operation with `Type` set to the indexes that you have updated.
None | Do not regenerate any of the indexes. You can use this option if you want to make a number of field configuration changes and then run a single regeneration operation.

When the FieldProcessingSection parameter is set, the default value for `Type` is `Auto`.

NOTE: You cannot use DREREGENERATE to regenerate the unstemmed index. In this case, you must use the `RegenerateUnstemmedIndex` configuration parameter.

Actions: | DREREGENERATE
Type: | String
Default: |
Example: | `DREREGENERATE?Type=Numeric,NumericDate`
See Also: | FieldProcessingSection

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