> Premium Extension for SPX Graphics Controller An extension for SPX Graphics Controller for doing live subtitling in events or live broadcasts. --- > [!TIP] Get this item in the [SPX Store](https://spxgraphics.com/store/#product-Live-Subtitler). ![[Pasted image 20260302163615.png]] The extension consists of the following main components: - SPX extension; the user interface (in the SPX assets/[[Plugins & Extensions|plugins]] -folder) - Its configuration file; extension\_config.json - SPX Graphics templates (in the SPX assets/templates -folder) Once the extension is installed its use should become very obvious when the PLAY button is clicked and the system starts up. Experimenting with output modes is the best way to learn to use the extension. If there are some issues, you can try to troubleshoot them by: - Opening DevTools > Console from the LiveSubtitler extension window - Opening DevTools > Console from the SPX Graphics Controller user interface window - Increasing log level from SPX server to *debug-level* A typical cause of issues is incorrect configuration settings in the extension\_config.json -file. Make sure that the template paths match with actual template installation folders. --- ## Read next - [[Installing Templates]] — how to install SPX templates and extensions - [[Plugins & Extensions]] — how SPX plugins and extensions work - [[SPX Social]] — bring live social media messages to your broadcast