Finding references

Some trees have lots of variables, but what if we want to know which tasks are using these variables? We'd have to manually look into each task. Now that is a huge task itself!(pun intended). We should be able to right click on a variable and select "Highlight all references" to see them!
 
This is built in :) On the top there is a "Find" button and this allows you to find a variable or task by name.
 
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