Problem install: not found extension in Code-OSS

[vnt-83]

Hello. I try install MQL-Tools on VSCode (named Code-OSS) in Manjaro Linux. But search not found it by name. Instruction from marketplace not work too: run command ext install L-I-V.mql-tools not found extension. Please, how I can install this extension?

[L-I-V]

Look at here.

[vnt-83]

Thank You!!! I now want to install VSCodium. ))