# Not sure what the blue squares below the delay node is

**URL:** <https://discourse.nodered.org/t/not-sure-what-the-blue-squares-below-the-delay-node-is/87599>\
**Category:** Dashboard\
**Created:** [29 April 2024 21:55 UTC](https://discourse.nodered.org/t/not-sure-what-the-blue-squares-below-the-delay-node-is/87599 "2024-04-29T21:55:43Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![bostonareahuman](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/bostonareahuman/32/90568_2.png) [@bostonareahuman](https://discourse.nodered.org/u/bostonareahuman)\
**Post date:** [29 April 2024 21:55 UTC](https://discourse.nodered.org/t/not-sure-what-the-blue-squares-below-the-delay-node-is/87599/1 "2024-04-29T21:55:44Z")

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![Screen Shot 2024-04-29 at 5.50.15 PM](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/d/c/dc426d3f0bcd1881c13997b51ba89c88c96b9c0e.png)

So there is the blue square with 0 next to it....not sure what the 0 means and why the blue square is just hanging out...

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**Author:** ![Steve-Mcl](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/steve-mcl/32/4826_2.png) [@Steve-Mcl](https://discourse.nodered.org/u/Steve-Mcl)\
**Post date:** [29 April 2024 21:58 UTC](https://discourse.nodered.org/t/not-sure-what-the-blue-squares-below-the-delay-node-is/87599/2 "2024-04-29T21:58:11Z")

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Its a count of how many messages are delayed/held in it's internal memory.

Try firing 10 messages in quick succession into a delay set for 10s

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**Author:** ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)\
**Post date:** [13 May 2024 21:58 UTC](https://discourse.nodered.org/t/not-sure-what-the-blue-squares-below-the-delay-node-is/87599/3 "2024-05-13T21:58:18Z")

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