# SignatureFieldID Enum

> Digital signature field options.

- Product: Adobe PDF Library 21
- Language: Modern C++
- Version: 21.4.0
- HTML page: https://docs.datalogics.com/apdfl21/ModernCPP/21.4.0/enum/SignatureFieldID
- Version index: https://docs.datalogics.com/apdfl21/ModernCPP/21.4.0/llms.txt

**Namespace:** `datalogics_interface`

## Description

Digital signature field options.

## Values

- `SearchForFirstUnsignedField = 0`: Search for the first unsigned field.
- `FieldCosObject = 1`: Use a CosObject identifier.
- `FullyQualifiedFieldName = 2`: Use a fully qualified field name.
- `CreateFieldWithQualifiedName = 3`: Create a new field with the specified qualified name.