unity 2020 shader graph

I’m studying shader graphs in Unity. But there are some problems I can’t solve myself.
After making a 3D project in Unity 2020.2 and imported Universal RP, I tried to make PBR Graph. But there is no PBR Graph. I searched where PBR Graph is on Google, but I couldn’t get anything.

there is no pbr graph
175667-1.png

So I made Lit Shader Graph instead and opened shader editor. But in the shader editor, I can’t find PBR master. there is a thing that looks like PBR master, but there is no Alpha and AlphaClipThreshold

PBR master & I can’t find Alpha or AlphaClipThreshold in this

Can someone help me how can I create pbr graph? or how can I find Alpha or AlphaClipThreshold

According to the documentation, you can only use the PBR master node in metallic or specular workflow mode. You should be able to set the workflow mode through the workflow dropdown parameter.

I just looked and the PBR Graph does not appear but it has been fixed only when entering the package manager … Try to reinstall the tool or update it from the package manager.

Can someone help me how can I create pbr graph?
The PBR graph has been replaced since Shader Graph 10. More info here

how can I find Alpha or AlphaClipThreshold?
In Graph Inspector of Shader Graph Editor window, choose Graph Settings tab, tick to Alpha Clip, The Alpha and Alpha Clip Threshold should apprear.
179195-graphsettings.png