-`&mode=` one of `["nb_visits", "nb_actions", "nb_visits_converted", "bounce_count", "sum_visit_length", "max_actions", "bounce_rate", "nb_actions_per_visit", "avg_time_on_site"]` (responses from the `VisitsSummary.get` API)
-`&backgroundColor=`: A hex color without the `#` (e.g. `f00` or `fe1234`)
-`&foregroundColor=`
-`&lightColor=`
-`&historicValue=`: A number that is added to the value from Matomo before being displayed. Useful if you want to add data from a counter before starting to use Matomo.