Can't block WebRTC with a custom rule

[SampeiNihira]

I can’t block webrtc by entering a custom rule. Inserting this rule in uBlock Origin works:

*##+js(nowebrtc)

Test websites:

https://browserleaks.com/webrtc

https://www.deviceinfo.me/

Maybe in adguard MV3 you have to insert the rule with another syntax?

[SampeiNihira]

Thank you very much.