OData V4 Annotation URI For SWFVISU

For Odata V2 , we simply add the following URI in swfvisu.

/sap/opu/odata/IWFND/CATALOGSERVICE;v=2/Annotations(TechnicalName=’Z_CUSTOM_VAN’,Version=’0001′)/$value/

However, for Odata V4, my understanding is that all annotations resides in $metadata file. So , how to use it in swfvisu parameter?

Check this link https://community.sap.com/t5/technology-q-a/sap-annotation-file-in-odata-v4-how-can-we-query-it/qaq-p/12745918  but unable to understand.