arcade-popup-expression-1-tree-observations-text-block

// define the variables
var treated = $feature.treatment_state
var street = FeatureSetByName($map, "Highway")
var color = ""

// define the color based on if the observed tree is within 10 meters from the highway or not
if (treated == "No") {
  when(Count(Intersects(Buffer($feature, 50, "meters"), street))>0,
  color = "#3CB043",
  color = "#FF0000"
  )
} else {
  color = "#808080"
}

// return the defined color
return color