# SchemaFieldSubtype Enum

> The data type of a collection schema field.

- Product: Adobe PDF Library 21
- Language: .NET Framework
- Version: APDFL21.0.0PlusP1e
- HTML page: https://docs.datalogics.com/apdfl21/DotNetFramework/APDFL21.0.0PlusP1e/enum/SchemaFieldSubtype
- Version index: https://docs.datalogics.com/apdfl21/DotNetFramework/APDFL21.0.0PlusP1e/llms.txt

**Namespace:** `Datalogics::PDFL`

## Description

The data type of a collection schema field.

## Values

- `Text = 0`: Text string value.
- `Date = 1`: Date value.
- `Number = 2`: Numeric value.
- `FieldData = 3`: Raw field data.
- `Description = 4`: Descriptive text.
- `ModificationDate = 5`: Date the field was last modified.
- `CreationDate = 6`: Date the field was created.
- `FieldDataSize = 7`: Size of the field data in bytes.