topic Arcade Expression Bool Error in Data Management Questions

Arcade Expression Bool Error

PMaddocks — Tue, 25 Jun 2024 16:39:15 GMT

Hey everyone,

I am new to using Arcade. I'm getting a Bool error, not sure why. Any help or suggestions appreciated. Thank you

var a = $feature.WSE2yrEx; var b = $feature.WSE2yrAlt; var x = When(a = b, 'grey', a = null, 'green', b = null, 'green', a - b > 0.5, 'orange', 'red'); return x;

Re: Arcade Expression Bool Error

jcarlson — Tue, 25 Jun 2024 16:53:36 GMT

In your "When" function, the conditions need to use "==" to compare values. A single "=" is for assigning values to variables.

Re: Arcade Expression Bool Error

jcarlson — Tue, 25 Jun 2024 16:54:26 GMT

Oh and a won't be equal to null. You'll have to use IsEmpty(a) instead a = null, etc.