How to create fused view of the world in zed sdk 4.0

sensor_fusion_library, SVOReader both are not avalabile in zed sdk 4.0, then how to create fused view of the world using zed sdk 4.0

I’m not sure what you refer to, but the fusion module is available in SDK 4.0.
You can find its documentation here: Fusion

Yeah, But it’s for the Live cameras right I want to use Fusion for two SVO files, Is there any way to create a fused_view from two SVO files for Body Tracking.

Yes, but you need to have the configuration file generated from ZED360 anyway.
I refer you to this post to see how to modify it to use SVO files: Fusion Sample Code with SVO Files - #2 by JPlou