Comprehensive breakdown of json key values and their equivalent UI selections

Is there a place where I can easily find out what the equivalent json key value configuration is when I select from the UI? For example, I have been trying to figure out how to configure what is displayed when you ‘hover over’ a data point - by default it seems to display all the values of the legend rather than the individual item.

I couldn’t find anything in the docs so had to export the json and compare the differences, and the result was not particularly intuitive;

Display all values;

          "tooltip": {
            "shared": true,
            "sort": 0,
            "value_type": "individual"
          },

Display only the value in the data point/line in graph

          "tooltip": {
            "shared": false,
            "sort": 0,
            "value_type": "individual"
          },

So the question is really where is this documented?

Thanks
Swapna