getTileChildrenCount

open override fun getTileChildrenCount(groupingTileId: String): Int?

Number of direct children currently under the container tile identified by groupingTileId — the mechanism behind GetTileChildrenCount.

the current child count, or null if groupingTileId isn't found, or if it's found but isn't a container tile at all.

groupingTileId

id of the container tile to count children of.