Using Butler to copy Custom Fields from one board to others on a list
Asked by Suzy Veilleux:

I would like to use Butler to copy custom field values on one card to other cards on a particular list. I can't seem to find a way with the existing commands, but wanted to see if someone else had thoughts about how I might do this.

Also, how often do the Butler automations run? Nightly? just wondering if there's something I need to do to "kick off" the automation or if just happens once a rule is saved.


Answers:
author: WG Trello Admin
body: I found this approach worked really well for me to copy one custom field value into the same custom field on another board.

<br />

"when custom field "xxxx" is set, for each card linked in the attachments, set custom field "xxxx" to "{customfieldvalue}"

Answer was from this thread <https://community.atlassian.com/t5/Trello-questions/Access-Custom-Field-Variables-of-another-Card-in-Butler/qaq-p/1431814#U1649896>


author: Ludo
body: Instead of duplicate all datas, why don't you just link the cards with the overview card ?

Or you can consider that the cards are sub tasks (items) of the overview card. In this case you can apply the princip of dependencies

See this :

<https://help.trello.com/article/1165-task-dependencies>


author: Ludo
body: Just can you say if the overview card is added first and completed before adding the other cards


author: Ludo
body: Hi,

First you need to link, the specific list with the triggercard.

Then you can propagate the update

For this, create 2 rules

```
when a card is added to list "specific list", find a card titled "MyCard", and link the cards together
```

```
when custom field "MyField" is set, for each card linked in the attachments, set custom field "menu" to "{{%Myfield}}"
```

comments: author: Suzy Veilleux
body: So I'm really trying to figure out how to do this in the tool but seem to be getting stuck with the 2nd rule (honestly I"m not sure if I have the first part set up correctly either). I understand the logic yet can't seem to find the same commands that you're using. Am I missing something obvious ?


author: Ludo
body: Make sur that your trello account allows more than one rule.

<https://help.trello.com/article/1181-butler-features-and-quotas>

Then specify the rules that you use and give a screenshot of your board.


author: Suzy Veilleux
body: OK, I made some progress - I think the difference in what you were suggesting and what I need is that I need these fields to copy down every time they get filled in on the "top" card called Project Overview. I \*think\* I may have figured it out, but I'm not seeing the data propagate the way I expected so I may not have it right now. Attaching a screenshot of the rules plus what I'm trying to do.![20200117 Butler Rule.png](https://community.atlassian.com/t5/image/serverpage/image-id/79498iA4F5A8991610DE1B/image-size/large?v=v2&px=999 "20200117 Butler Rule.png")![20200117 Screenshot showing what I'm trying to do.png](https://community.atlassian.com/t5/image/serverpage/image-id/79502i5E4019493B96B0E7/image-size/large?v=v2&px=999 "20200117 Screenshot showing what I'm trying to do.png")


author: Ludo
body: Ok.

Forget what I have suggested.

There is something easier.


Tags: butler

custom-field

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