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Loop array block


Iterate through a list of items while duplicating a component and its children for each item in the list.


  • Array A list of items.


  • Component (mandatory)
    The desired component to be duplicated. Typically a container with labels and sometimes other containers.

  • Index The index number of the item in the list. Starts from 0. This will output a new number for every item in the list.

  • Item Will output an object for each item in the list.


I have a list of x items. I want to number each items with an index number and retrieve first name & last name with two get data blocks. The get data blocks connect to two individual labels. All three labels are placed inside the repeated container.

graph LR
A([List]) --> L(Loop array)
L --Component--> B(Container)
L --Index--> C(Label)
L --Item--> D(Get data)
L --Item--> E(Get data)


  • Everything created (first time )after the loop is no longer

  • For external manipulation of looped elements.
    The trigger that pushes data to the looped element (usually the array), must be connected after the ‘loop array block’ is fed data.

  • Index 0 is often treated as a false value when passed to other blocks.