[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Browser](./puppeteer.protocol.browser.md) > [PermissionDescriptor](./puppeteer.protocol.browser.permissiondescriptor.md) > [sysex](./puppeteer.protocol.browser.permissiondescriptor.sysex.md) ## Protocol.Browser.PermissionDescriptor.sysex property For "midi" permission, may also specify sysex control. Signature: ```typescript sysex?: boolean; ```