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# DREADD

Allows you to index IDX or XML files located on a machine that DIH can access directly into the IDOL Server. Parameters you use with `DREADD` override any equivalent settings in the IDOL Server configuration file.

The IDX or XML file that you want to index must be either on the same machine as DIH, or on a network share that DIH has permission to access.

If you have set DelayedSync to `true` or you have set a high MaxSyncDelay in the configuration file, some time might elapse before a file is available for searching.

## Example

    http://12.3.4.56:20001/DREADD?C:\Documents\News\today.idx&DREDbName=News

This index action uses port `20001` to index a file called `today.idx` into IDOL Server's `News` database.

## Parameters

Parameter | Description | Required
--- | --- | ---
IndexFile | The IDX or XML file to index. | see Comments
ACLFields | Fields that contain ACLs (Access Control Lists) |
CantHaveFields | Fields to discard. |
CreateDatabase | Whether to create unknown databases in the index action. |
DatabaseFields | Fields that identify the database to store a document in. | see Comments
DateFields | Fields from which to read the document date. |
Delete | Deletes the IDX or XML file after indexing. |
DocumentDelimiters | Fields that indicate the beginning and end of a document. |
DocumentFormat | The format of the file to index. |
DREDbName | The database in which to store a document. | see Comments
ExpiryDateFields | Fields that contain the document expiry date. |
FileName | The filename of the file to index. | see Comments
FlattenIndexFields | Fields in an XML document to index as one level. |
IDXFieldPrefix | An alternative name for the `DOCUMENT` sub-tree. |
IndexFields | Fields to store as index fields. |
IgnoreMaxPendingItems | Whether to ignore the IndexQueueMaxPendingItems limit for this index action. |
IndexUID | An identification code for any document tracking events. |
KeepExisting | Modifies the KillDuplicates operation. |
KillDuplicates | Determines how IDOL Server handles duplicate content. |
KillDuplicatesDB | The database to move duplicate documents to. |
KillDuplicatesDBField | The name of a field in duplicate documents containing the name of the database to move duplicate documents to. |
KillDuplicatesMatchDBs | The databases to search for duplicate matches. |
KillDuplicatesMatchTargetDB | The databases to search for duplicate documents. |
KillDuplicatesPreserveFields | Whether to copy existing IDX fields to a newer copy of the same document. |
LanguageFields | Fields that contain the document language type. |
LanguageType | The language type of the file to index. |
MustHaveFields | IDX file fields to store in IDOL Server. |
Priority | The priority for the index job. |
SectionFields | Fields that indicate the start of a new document section. |
SecurityFields | Fields that contain a document’s security type. |
SecurityType | The security type of the document to index. |
TitleFields | Fields that contain a document’s title. |

## Comments

- You must specify either the path to the file, IndexFile, or FileName.
- You must specify DREDbName or DatabaseFields if the IDOL Server configuration file does not contain a field process that allows it to read document destination databases from fields they contain.

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