index.md

---

title: declarativeNetRequest.getAvailableStaticRuleCount
slug: Mozilla/Add-ons/WebExtensions/API/declarativeNetRequest/getAvailableStaticRuleCount
tags:
  - API
  - Add-ons
  - Extensions
  - Reference
  - WebExtensions
  - Method
  - declarativeNetRequest
  - getAvailableStaticRuleCount
browser-compat: webextensions.api.declarativeNetRequest.getAvailableStaticRuleCount

---

{{AddonSidebar()}}

Returns the number of static rules that can be activated before the global static rule limit is reached.

Syntax

let count = await browser.declarativeNetRequest.getAvailableStaticRuleCount();

Parameters

This function takes no parameters.

Return value

A Promise fulfilled with a number that indicates how many static rules can enable before the global static rule limit is reached. If the request fails, the promise is rejected with an error message.

Examples

{{WebExtExamples}}

Browser compatibility

{{Compat}}