# SchemaFieldSubtype Enum

> The data type of a collection schema field.

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

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

## Description

The data type of a collection schema field.

## Values

- `CREATION_DATE`: Date the field was created.
- `DATE`: Date value.
- `DESCRIPTION`: Descriptive text.
- `FIELD_DATA`: Raw field data.
- `FIELD_DATA_SIZE`: Size of the field data in bytes.
- `MODIFICATION_DATE`: Date the field was last modified.
- `NUMBER`: Numeric value.
- `TEXT`: Text string value.