# Set up ReferenceType Fields

You must set up a field process to identify `ReferenceType` fields before you start indexing documents into the IDOL Content component.

To set up ReferenceType fields

1. Open the IDOL Content component configuration file in a text editor.

2. In the `[FieldProcessing]` section, add a process that identifies `ReferenceType` fields. For example:

       [FieldProcessing]
       0=MyFirstProcess
       1=MySecondProcess
       2=SetReferenceFields

3. Create a section for the process that you added, and in each section create a property for the process (you define the property later by setting one or more applicable configuration parameters). Identify the fields that you want to associate with the process.

   NOTE: The properties that you create must not have the same name as the processes.

   For example:

       [MyFirstProcess]
       Property=MyFirstProperty
       PropertyFieldCSVs=*/MyField,*/MySecondField

       [MySecondProcess]
       Property=MySecondProperty
       PropertyFieldCSVs=*/MyThirdField

       [SetReferenceFields]
       Property=Reference
       PropertyFieldCSVs=*/DREREFERENCE,*/URL

4. Create a section for each of the properties and specify appropriate configuration settings for each. These configuration parameters define the processes that are applied to all the fields (or all documents that contain the fields) that you previously associated with the processes. For example:

       [MyFirstProperty]
       HiddenType=True

       [MySecondProperty]
       Index=True

       [Reference]
       ReferenceType=True
       TrimSpaces=True

5. Save and close the configuration file.

6. Restart the IDOL Content component for your changes to take effect.

You can now index documents into IDOL Server.

NOTE: If you do not set up a field process that identifies `ReferenceType` fields, Content automatically allocates a unique number to each document that is indexed. Content uses this number as the reference for the document.

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