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Are you able to automatically assign a set of letters and numbers to a card at a certain time?

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February 18, 2024

I am trying to assign Trello cards on a certain list daily and don't know exactly what to do with automation. I need the cards to be named, "SA ###" with each tag being a certain number that would increase with each card the automation assigns. For example, the first card on the list would be SA 1, then the next card would be SA 2, and so on. I would want to have it assigned itself 24 hours in advance of the time in the description of the first card. This would be done for every list with a day on it, (Ex, Monday, Tuesday, Wednesday...) It seems quite complicated, but hopefully, it makes sense. Thanks!

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February 18, 2024


Having a serial number means that you got to have some application to maintain the last assign and to respond to request for new numbers and register that the number is used....etc etc.

Trello automation for scheduled task eg end of day run does not allow you to change contents of cards or iterate through individual cards to modify them. You can create new cards but you will need to have that serial number routine to called before each are is created.

A Trello card has a unique short id that is available as a variable {cardid} and a number {cardnumber}. I would try to use them where it is possible. You can read more about variables :


If this is still a requirement, I suggest that you get in touch with a consultant to help you figure out how you can do it.


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