How do I apply a name overide to the Heatmap panel? Typically (at least for all other panels) I go to the Overrides Section, select ‘Fields with Names’ and then apply Overide for the NAME although in the overrides section, I do not see those same options.
Instead of override, you can set the legend in Prometheus query options. By default it’s “verbose” which includes all labels. You can enter something like {{target}}