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Type: string[]
Default: undefined

The keys of the channels you wish to make selectable. Objects that have no channel assigned, or that have a channel assigned whose key is not in this list, will not be selectable. However, by passing in NO_CHANNEL as channel key, objects without channel become selectable.

You cannot supply an empty array: the channels array needs to be either undefined, or an array of at least one element.

channels: ['0ef73fd9-693c-5073-98ac-d1dd8cd86536', 'd3dffb97-c797-f2c3-280b-0c89e996ec19']

channels: ['0ef73fd9-693c-5073-98ac-d1dd8cd86536', 'NO_CHANNEL']