# Check if it is the streamer viewing **URL:** \ **Category:** Extensions\ **Created:** [August 30, 2021, 3:28am UTC](https://discuss.dev.twitch.com/t/check-if-it-is-the-streamer-viewing/33293 "2021-08-30T03:28:36Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![dementor](https://d3ovvz0v2ajtpu.cloudfront.net/user_avatar/discuss.dev.twitch.com/dementor/32/13368_2.png) [@dementor](https://discuss.dev.twitch.com/u/dementor)\ **Post date:** [August 30, 2021, 3:28am UTC](https://discuss.dev.twitch.com/t/check-if-it-is-the-streamer-viewing/33293/1 "2021-08-30T03:28:36Z")
Hello How can I check if the user viewing my extension is the streamer? Does this require authentication? ---
**Author:** ![BarryCarlyon](https://d3ovvz0v2ajtpu.cloudfront.net/user_avatar/discuss.dev.twitch.com/barrycarlyon/32/253_2.png) [@BarryCarlyon](https://discuss.dev.twitch.com/u/BarryCarlyon)\ **Post date:** [August 30, 2021, 8:17am UTC](https://discuss.dev.twitch.com/t/check-if-it-is-the-streamer-viewing/33293/2 "2021-08-30T08:17:36Z")
> [@dementor](#): > > How can I check if the user viewing my extension is the streamer? See if the userID (is allowing ID sharing) is the JWT matches the channel ID - `window.Twitch.ext.viewer.id:` Or the `opaqueId` is `UchannelID` Or the JWT role is `broadcaster` Or the Helper Role is `broadcaster` as in `window.Twitch.ext.viewer.role` > **[Extensions Reference](https://dev.twitch.tv/docs/extensions/reference/)** > > Extensions Reference or if they are on the config view, defintely the broadcaster, but still wise to test ---
**Author:** ![dementor](https://d3ovvz0v2ajtpu.cloudfront.net/user_avatar/discuss.dev.twitch.com/dementor/32/13368_2.png) [@dementor](https://discuss.dev.twitch.com/u/dementor)\ **Post date:** [September 2, 2021, 1:33am UTC](https://discuss.dev.twitch.com/t/check-if-it-is-the-streamer-viewing/33293/3 "2021-09-02T01:33:22Z")
Thank you, perfect.