Insert library into plcnect engineer

Dear Experts.
I’m using PLCnext Engineer 2024.6 Version.
I have small problem.
When I import the external library into PLCnext engineer, Althought no error happen, I can’t usung these library. Because there isn’t any Function, Function Block… in Library. Please see attached picture.
Please support me.
Bests

[https://forum.plcnext-community.net/uploads/HWO6TV50LC3H/png.png</a></p>

Dear Sir.
Thank for your guidance.
I saw it
Best