Fires multiple events, and collects the results into a list.
This node is useful for creating a list of items in which each item is built using the same (or similar) sequence of steps. For example, you could use this node to create a list of images, with each image built using the same sequence of nodes, but each image having a different color. This is simpler and more flexible than copying and pasting the same sequence of nodes multiple times into your composition — you can easily change the number of iterations and the sequence of steps performed for each iteration.
Start Building — When it receives an event, clears the node’s internal list and causes the first in a series of events to fire from Index.Index — Sequentially fires an event, along with a number from 1 to the number of items in Start Building. Use the event from this port to execute a chain of nodes many times. Optionally, use the data from this port to recognize which item is being built and do something a little different for each item.Built Item — This port needs to receive each event fired by the Index port. When it receives an event, it appends its data to the node’s internal list, and it causes either Index or Finished Building to fire (depending on whether there are more list items to build).Finished Building — Fires an event containing the final list when iteration is complete.If the Start Building port’s value is not greater than 0 when it receives an event, no events are fired from Index. Instead, Finished Building immediately fires an event with an empty list.
If the Start Building port receives an event while the node is still building the list for the previous Start Building event, then the later Start Building event is ignored (dropped). To avoid having events ignored, you can modify your composition to limit the rate at which events hit this node.
Keywords: bang, cycle, each, events, fire, foreach, iterate, loop, many, multiple, repeat, trigger, while