> Fetch clean Markdown by appending `.md` to any page URL under https://signalwire.com/docs or requesting it with the HTTP header `Accept: text/markdown`. The root index at https://signalwire.com/docs/llms.txt lists the available documentation indexes. # isRegistered$ > Observable that emits when the user registration state changes. ```ts get isRegistered$(): Observable ``` Observable that emits when the user registration state changes. ## isRegistered ```ts get isRegistered(): boolean ``` Whether the user is currently registered. ## **Examples** ```ts client.isRegistered$.subscribe((isRegistered) => { console.log('isRegistered:', isRegistered); }); ``` > Observable that emits when the user registration state changes.