For Each Loop

Iterates over an array. Use the "Loop body" flow output to process each item, and the "Completed" flow output when the iteration has finished.

Flow Connections

[Input] In - starts the block's execution.
[Output] Loop body - activates once for each item in the array.
[Output] Completed - activates when all the items in the array have been iterated over.

Data Connections

[Input] Array (any) - an array of any data type to be iterated over.
[Output] Item (any) - an element in the array, changes with every iteration, automatically adjust its type depending on the input.
[Output] Index (integer) - the position of the item in the array (starting at 0), increases by 1 with every iteration.

For Each Loop | AppMaster Docs