How to cascade comments in linked cards in Trello
Asked by Shyam Reyal:

I have two mirrored cards (say ONE and TWO) on two boards. ONE has a checklist "Mirrors", which contains a link to TWO.

This rule is setup on board containing ONE:

```
when a comment is posted to a card by anyone, for each card linked from an item in checklist "Mirrored Boards", post comment "Comment by {username} on {date} {time24}: {commenttext}"
```

However it does not work. I've attached some screenshots.

![Screen Shot 2020-05-31 at 20.49.27.png](https://community.atlassian.com/t5/image/serverpage/image-id/97195iF5EEF85CD3145FBC/image-size/large?v=v2&px=999 "Screen Shot 2020-05-31 at 20.49.27.png")


Answers:
author: Iain Dooley
body: [@Shyam Reyal](/t5/user/viewprofilepage/user-id/3921983) The checklist is named "Mirrored Boards", not "Mirrors"

comments: author: Shyam Reyal
body: [@Iain Dooley](/t5/user/viewprofilepage/user-id/1416112) sorry my bad it was a typo when I copied the actual butler rule to this question. Regardless, it still does not work :(


author: Iain Dooley
body: [@Shyam Reyal](/t5/user/viewprofilepage/user-id/3921983) these don't appear to be on the same board, have you installed the command on the board where the card containing the Mirrored Board checklists resides?


author: Shyam Reyal
body: [@Iain Dooley](/t5/user/viewprofilepage/user-id/1416112) no it wasn't installed. I just installed it right now, and tried again. Still the comment doesn't cascade :(


author: Iain Dooley
body: [@Shyam Reyal](/t5/user/viewprofilepage/user-id/3921983) okay well I just created the same command and it works:

![2020-06-03 at 6.47 pm.png](https://community.atlassian.com/t5/image/serverpage/image-id/97517iE1FE25F044567304/image-size/large?v=v2&px=999 "2020-06-03 at 6.47 pm.png")


author: Shyam Reyal
body: [@Iain Dooley](/t5/user/viewprofilepage/user-id/1416112)

Were both your cards on the same board?


author: Iain Dooley
body: [@Shyam Reyal](/t5/user/viewprofilepage/user-id/3921983) no I set them up on separate boards to get as close as possible to your setup


author: Shyam Reyal
body: [@Iain Dooley](/t5/user/viewprofilepage/user-id/1416112) this works for me if its on the same board for me, but not if they are on separate boards. I ensured the command is enabled on both boards.  

Let me try a different two boards just to be sure.


author: Shyam Reyal
body: Hi [@Iain Dooley](/t5/user/viewprofilepage/user-id/1416112) you are correct. when I moved the mirrored card to a different board, it worked. So it seems the block exists between two specific boards only.


author: Soumyadeep Mandal
body: Hi [@Shyam Reyal](/t5/user/viewprofilepage/user-id/3921983) ,

As per as my information you can't copy the comments automatically on linked cards you have to do it manually.

comments: author: Shyam Reyal
body: Hi [@Soumyadeep Mandal](/t5/user/viewprofilepage/user-id/3861721) thanks for replying. This cascading works in other operations such as card moving. e.g.

```
when a card is moved into list "Done" by anyone, for each card linked in the attachments, check item "{triggercardlink}", and post comment "Dependency {triggercardlink} was completed on {date}"
```

This works perfectly. In this case, when the master-card is moved to Done, all the dependent cards get marked with a comment. This doesn't work only when the trigger itself a comment being posted on the master-card. Do you know why?


author: Soumyadeep Mandal
body: Hi [@Shyam Reyal](/t5/user/viewprofilepage/user-id/3921983) ,

This is how Trello works. There are some limitations in Trello regarding comments and Trello is updating new features regularly.

If you think some features need to be updated in Trello contact here: <https://www.trello.com/contact>.


author: Shyam Reyal
body: Thanks [@Soumyadeep Mandal](/t5/user/viewprofilepage/user-id/3861721)


Tags: butler

comment