# SignatureLockedFieldsProperties

## Content

[**DsPdfJS API v9.1.3**](../README)

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[DsPdfJS API](../globals) / SignatureLockedFieldsProperties

# Type Alias: SignatureLockedFieldsProperties

> **SignatureLockedFieldsProperties** = `object`

Defines range of the [Field](../classes/Field) objects to be locked when [SignatureField](../classes/SignatureField) is signed.

## Properties

### fieldNames?

> `optional` **fieldNames**: `string`[] \| `null`

The list of fields' names which should be included / excluded from processing depending on 'type' property.

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### type

> **type**: [`SignatureLockedFieldsType`](../enumerations/SignatureLockedFieldsType)

The type of the range.