--- title: "First Party Cookie Name" slug: "first-party-cookie-name" updated: 2020-05-06T16:07:57Z published: 2020-05-06T16:07:57Z canonical: "onpremises.webtrends.help/first-party-cookie-name" --- > ## Documentation Index > Fetch the complete documentation index at: https://onpremises.webtrends.help/llms.txt > Use this file to discover all available pages before exploring further. # First Party Cookie Name ## First party cookie name The `fpc` config value tells the JavaScript tag what name to use for the first party cookie. **Default value:** WT_FPC **JavaScript Example:** ``` window.webtrendsAsyncInit = function () { var dcs = new Webtrends.dcs(); dcs.init( { dcsid: "dcs9x99xxxx9xxx9xx9xxxx9x_9x9x", fpc: "ANALYTICS_COOKIE" }); dcs.track(); } ```