> 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. # state$ > Observable for the full capabilities state ```ts get state$(): Observable ``` Observable for the full capabilities state ## state ```ts get state(): CallCapabilitiesState ``` Current full capabilities state ## **Examples** ```ts capabilities.state$.subscribe((state) => { console.log('state:', state); }); ``` > Observable for the full capabilities state