gecko-dev/browser/locales/searchplugins/yandex-by.xml

<!-- This Source Code Form is subject to the terms of the Mozilla Public
   - License, v. 2.0. If a copy of the MPL was not distributed with this
   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->

<SearchPlugin xmlns="http://www.mozilla.org/2006/browser/search/">
<ShortName>Яндекс</ShortName>
<Description>Пошук з дапамогаю Яндекс</Description>
<InputEncoding>UTF-8</InputEncoding>
<Image width="16" height="16">resource://search-plugins/images/yandex-ru.ico</Image>
<Url type="application/x-suggestions+json" method="GET" template="https://suggest.yandex.by/suggest-ff.cgi">
  <Param name="part" value="{searchTerms}"/>
</Url>
<Url type="text/html" method="GET" template="https://yandex.by/search" resultdomain="yandex.by">
  <MozParam name="clid" condition="purpose" purpose="searchbar"   value="2186618"/>
  <MozParam name="clid" condition="purpose" purpose="keyword"     value="2186621"/>
  <MozParam name="clid" condition="purpose" purpose="contextmenu" value="2186623"/>
  <MozParam name="clid" condition="purpose" purpose="homepage"    value="2186617"/>
  <MozParam name="clid" condition="purpose" purpose="newtab"      value="2186620"/>
  <Param    name="text" value="{searchTerms}"/>
</Url>
<SearchForm>https://www.yandex.by/</SearchForm>
</SearchPlugin>