Where to update fieldInfos

07-28-2021 10:52 AM
Occasional Contributor III

I'm learning to use python Notebooks on ArcGIS Online, trying to automate some manual web map updates that I do.

In python, I add a layer to a web map and access the popupInfo JSON in order to change field labels, set decimal places, the digit separator, and remove some fields from the popup view.  I see in the layer's JSON that the popupInfo object has its own fieldInfos, but it also has a popupElements object, which, if type is "field", it also has a fieldInfos property.

In which place should I be updating the field properties for the popup window display?

Also, if a newly added layer does not have in its JSON a popupElements property with its own fieldInfos, should I create it, and how?

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