---
title: "PrecompExtent"
description: "API documentation for PrecompExtent"
url: https://developer.disguise.one/python-api/docs/precompextent/
---

# PrecompExtent

See also: [Track & Sequencing Guide](/plugins/guides/track-and-sequencing)

Base class: _\_BlipValue_

## Properties

#### **readLayer** : _[Layer](/python-api/docs/layer#layer)_

#### **tEnd** : _float_

#### **tStart** : _float_

#### **writeLayer** : _[Layer](/python-api/docs/layer#layer)_