# What node is this green arrow?

**URL:** <https://forum.xod.io/t/what-node-is-this-green-arrow/6442>\
**Category:** XOD Programming Questions\
**Created:** [January 28, 2023, 12:21am UTC](https://forum.xod.io/t/what-node-is-this-green-arrow/6442 "2023-01-28T00:21:00Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![eli](https://avatars.discourse-cdn.com/v4/letter/e/a9a28c/32.png) [@eli](https://forum.xod.io/u/eli)\
**Post date:** [January 28, 2023, 12:21am UTC](https://forum.xod.io/t/what-node-is-this-green-arrow/6442/1 "2023-01-28T00:21:00Z")

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Should be simple answer… just been looking for a while! Seems this green arrow named “OLD” is allowing looping of data? Can’t find it in the XOD libraries, but it seems sweet if that is what it does. Thanks!

 ![image](https://canada1.discourse-cdn.com/flex027/uploads/xod/original/2X/6/64e23bc07fa841afab71957e40df04f83787fca5.png)

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**Author:** ![wayland](https://yyz1.discourse-cdn.com/flex027/user_avatar/forum.xod.io/wayland/32/1590_2.png) [@wayland](https://forum.xod.io/u/wayland)\
**Post date:** [January 28, 2023, 7:56pm UTC](https://forum.xod.io/t/what-node-is-this-green-arrow/6442/2 "2023-01-28T19:56:19Z")

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It is a bus. See:  
[https://xod.io/docs/guide/buses/](https://xod.io/docs/guide/buses/)

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**Author:** ![system](https://canada1.discourse-cdn.com/flex027/uploads/xod/original/1X/eb7348baa04192c2ef932d1db54d44f09f8a7888.png) [@system](https://forum.xod.io/u/system)\
**Post date:** [February 27, 2023, 7:56pm UTC](https://forum.xod.io/t/what-node-is-this-green-arrow/6442/3 "2023-02-27T19:56:42Z")

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Closed on February 27, 2023, 7:56pm UTC

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