# Converters

Use this area to specify a custom converter for modification of the data value(s) during the reading and writing of a mapped attribute.

Property | Description | Default | Available for Entity Type
--- | --- | --- | ---

Converters

Click Add and use the Add Converter dialog to create a new converter.

- Object Type

- Type

- Struct

- Custom

Basic mapping, Element collection mapping, ID mapping, Many-to-many mapping, One-to-many mapping, and Version mapping

Name | Name of the converter. |  |
Class | Appears for Custom and Struct converters only. |  |
Data type | Appears for Object Type and Type converters only. |  |
Object type | Appears for Object Type and Type converters only. |  |
Conversion values | Appears for Object Type converters only. |  |
Default object value | Appears for Object Type converters only. |  |

Related reference

- "Converter" in Java Persistence API (JPA) Extensions Reference for EclipseLink
  `http://eclipse.org/eclipselink/documentation/2.4/jpa/extensions/a_converter.htm`