[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Network](./puppeteer.protocol.network.md) > [CookieParam](./puppeteer.protocol.network.cookieparam.md) > [expires](./puppeteer.protocol.network.cookieparam.expires.md) ## Protocol.Network.CookieParam.expires property Cookie expiration date, session cookie if not set Signature: ```typescript expires?: TimeSinceEpoch; ```