Nested Key

Access value in feature properties by either its key or dive into a neste key

Key

• If the key is immediately accessible, set the key.
• If the key is class for example, this would be used to filter feature's values where feature.properties.class === 'ocean'

ex.

{ "filter": { "key": "class", "comparator": "==", "value": "ocean" } }
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Nested Key

• Nested conditions are used to dive into nested properties
• If the feature properties has say feature.properties.class.type === 'ocean' and we want to access the type key

ex.

{ "filter": { "key": { "nestedKey": ["class", "type"] }, "comparator": "==", "value": "ocean" } }
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ex.