DVT SystemVerilog IDE User Guide
Rev. 19.1.17, 17 May 2019
To search where a function, variable, class, module or any other entity is used, hover over it's name while holding down the Ctrl key and select Show Usages or right click on it's name > Show > Usages. The results are presented in the Search View.
You can also search for references from the Search Dialog (Ctrl+H) .