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Butler: Copy due date when set to linked card

Hi there!


I have two cards within one board that are linked together (also by a Butler automation). When a due date is set on one of the cards (and it didn't previously have a due date yet), I want it to copy the newly set due date to the linked card.


However, this does not seem to be an option within Butler. I can have it find the linked card and set the due date in a week, or on Monday, or whenever, but I cannot copy the due date from the 1st card. 


It can move the due date by the same amount of time when the linked card would already have a due date, but this if often not yet the case, so that doesn't work in this case.


I also can't seem to find the answer here in the Trello community. Does anyone know the solution?

2 answers

1 accepted

1 vote
Answer accepted

Hi @Shelley Barendregt ! Good question - for the moment, there's no way to set a variable on a due date. There is a way to achieve what you want through using custom fields. Here's a video demonstrating how that looks:

"Syncing" due dates between linked Trello cards - Watch Video

Hi @hannahmorg , thanks for your reply and the video! Unfortunately custom fields are only available in the paid Trello plan, right? 

Hi @Shelley Barendregt ! Yes, that's right - so the proposed solution would only work if you have the Standard or Premium plan. Just thought of another "solution"'s pretty convoluted though 😅
set due date on linked cards.PNG

For the second rule, you used to be able to say "when anyone enters a card name containing a date, set due on the date and remove the matched text" but I couldn't find the action around removing the matched text. I could have just not been looking hard enough though! 

Like Shelley Barendregt likes this

Thanks so much @hannahmorg , this worked!! I made the last step 'and rename {textaftermatch}'.


You're a big help! :)

Like hannahmorg likes this

Ah, perfect! Glad that's working for you! 🙌

Like Shelley Barendregt likes this
0 votes


Thank you for your video, it is exactly what I am looking for.

However, I don't know why I can't select the "Custom Due Date" field. It doesn't appear in the proposed custom field. It seems to be because it is a date (all the other custom fields I have created are proposed).

I have the Premium version of Trello.
Do you know how I can solve this problem?


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