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DynamicDataLayer with Join - query features

Question asked by mdragan on May 30, 2018

Hi all,

we are trying to build on the example references in the API MapImageLayer - dynamic data layer with table join | ArcGIS API for JavaScript 4.7 that we can successfully execute on our data.


What we are trying to accomplish are two things:


- get access to the entities in the sublayer created with the join

- apply a definitionExpression to subset the entities


in our scenario, we'd like to accomplish these tasks on the var layer = new MapImageLayer

before adding the layer to a map and the map to a view.

We have tried

- layer.when(function)

but it doesn't get resolved until the layer is used in the View


Does anyone have a suggestion on how to accomplish this ?


thanks in advance