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Sum minutes and seconds of cards to list

Hi there,
I use Trello to organise a tv programme: every list is a episode, every card is a news. I would like to add minutes and seconds to every card and have a card on top of every list which sums times and gives me the exact time of the entire episode. So if an episode is too long I can move a card to the next one.

I've tried Smart Fields power up that does the same with numbers (not minutes and seconds).

Can you help? Thank you!

3 answers

0 votes
Iain Dooley Community Leader Mar 16, 2021

@Daniele Semeraro this Trellinator function would allow you to sum the minute and second values from a custom field value called "Time" whenever a card is moved into a list and set the name of the first card in the list to the sum:

You can run it via Google Apps Script:

or via our BenkoBot platform as a "Listener":

@Daniele Semeraro this chrome extension might help:

The idea would be to use a numerical custom field using the custom fields powerup, and the chrome extension would sum up the values from all the cards in each list. 

Thank you very much. The fact is that I don’t need to sum up regular numbers but time. For example 1:50 + 0:20 = 2:10

Thank you for your reply. Unfortunately I couldn’t find anything. Did you find something useful? Thank you. 

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