Not sure what the blue squares below the delay node is

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1

Screen Shot 2024-04-29 at 5.50.15 PM
Screen Shot 2024-04-29 at 5.50.15 PM1626×1446 334 KB

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...

2

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