Executes a series of Sequence ports. Steps through a series of one or more output Sequence ports. The [code]current[/code] data port outputs the currently executing item. [b]Input Ports:[/b] - Sequence: [code]in order[/code] [b]Output Ports:[/b] - Sequence: [code]1[/code] - Sequence: [code]2 - n[/code] (optional) - Data (int): [code]current[/code] The number of steps in the sequence.