I set a two field UniqueValueRenderer for featurelayer, the first field has a vaule, the Second field may has a vaule equals null. the problem is when the second field value is null, the featurelayer render the default value.
Can you share what your desired result would be when a null value is encountered in either of the fields utilized by your UVR?Handling null values is the primary use case for a default value/symbol. This allows those features to still be rendered with a symbol and appear on the map but otherwise imply they don't fall within the UniqueValues range that has been set.
one field UniqueValueRenderer does not work too, when the field value is null.
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