Using Node-red to run web mapping

This video clip demonstrates the use of node-red to run worldmap application. Geospatial data that represent map features are injected to the map for geospatial rendering.

[@randomguy012]

i have came from your recent video of mapbox and i am struggling to drawing polyline or geojson in node red using Mapbox 3D can you help me like what is the function code that you have written