In which way?
There are a lot of solutions.
Sound playback, via Lua script (may be you need to add another event for pause):
The record button, a small indicator in the status bar, and a small indicator in the tray icon make it difficult to tell if a recording is currently in progress. That's why recordings are sometimes delayed or missing. If so, are there any programs with the following conditions? It would be...
obsproject.com
Run any cmd, system notification etc, via plugin:
This plugin will allow you to automate various tasks using "Macros". Macros consist of a list of conditions under which a list of actions will be performed. Examples and guides can be found in the wiki. Feel free to contribute! If you run...
obsproject.com
Remote control and display in "obs-web" etc. on SmartPhone, via built-in Websocket:
OBS Knowledge Base. Useful utilities to control OBS Studio
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Overlay on desktop, via Python script:
How it works: When the 'Start recording' button is pressed a popup window appears on top of the screen showing you that OBS is recording, you can left-click and drag the window to position it. This script was made using Python and tkinter...
obsproject.com
and many other ways.