# AFRelationship Enum

> Represents the relationship between the component of the PDF document that refers to this attachment and the file denoted by the attachment

- Product: Adobe PDF Library 21
- Language: Java
- Version: APDFL21.0.0PlusP1f
- HTML page: https://docs.datalogics.com/apdfl21/Java/APDFL21.0.0PlusP1f/enum/AFRelationship
- Version index: https://docs.datalogics.com/apdfl21/Java/APDFL21.0.0PlusP1f/llms.txt

**Namespace:** `com::datalogics::PDFL`

## Description

Represents the relationship between the component of the PDF document that refers to this attachment and the file denoted by the attachment

## Values

- `ALTERNATIVE`: Alternative representation of content, e.g. audio.
- `DATA`: Information used to derive a visual presentation, e.g. table or graph.
- `ENCRYPTED_PAYLOAD`: Encrypted payload document that should be displayed if the Processor has the cryptographic filter needed to decrypt it.
- `FORM_DATA`: Data associated with the AcroForm.
- `SCHEMA`: Schema definition for the associated object.
- `SOURCE`: Original source material.
- `SUPPLEMENT`: Supplemental representation of the original source or data that may be more easily consumable.
- `UNSPECIFIED`: Relationship is not known or can't be described using of the other values.