Studio and the AI builder recognize a closed vocabulary of chart types. Your // viz: metadata line must name one of these, and the type drives which Configure knobs appear and how the checks read your component.
#Recognized types
barlineareascatterdonutheatmaptablekpimapsankeywaterfallsunburstradarbulletbumppolarnightingalechordtreemapstreamgraphnetworkother
Use other only when nothing else fits; it turns off the type-specific checks and knobs.
#FAQ
#Where does the chart type come from?
The // viz: {"type":"..."} comment at the top of your component. It must be one of the types above.