[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Network](./puppeteer.protocol.network.md) > [SecurityIsolationStatus](./puppeteer.protocol.network.securityisolationstatus.md) > [coop](./puppeteer.protocol.network.securityisolationstatus.coop.md) ## Protocol.Network.SecurityIsolationStatus.coop property Signature: ```typescript coop: CrossOriginOpenerPolicyStatus; ```