A split is used to split an audience into a series of outputs.
Specific metadata values may then be applied to each output. A given split output may also serve as an input to a subsequent child block.
Split outputs can be filtered by association with a selection rule and can be capped at a specific percentage or volume.
When displayed in the workspace, a split displays a list of its outputs, along with the configured selection rule and capping value for each (if assigned).