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Butler - how to set a label based on a variable

Hi there! I'm wanting to create a rule that looks something like this:

"When custom dropdown is set, apply the label {customfieldvalue}."

So, let's say the custom field is set to "DOG", it should apply the "DOG" label.

If the label exists, it should apply the pre-existing label. If the label does not exist, it should create a new one. 

Is it possible?

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Possible if you use custom labels using one colour and it creates one if the name does not exist.

Thanks @milynnus for the reply. I can't seem to add a variable into the label action, I only see the option to select an existing label 🤔 what am I missing?Screenshot_20210629-220024_Chrome.jpg


Choose any invisible custom label(aka with a name) Then replace the name with your cf value

If I recall, Trello will find a matching name and use the colour. 


Or temporary create a custom label for the colour of your choice. Then replace the name 

Sorry if I'm not understanding your answer, but would that mean I'd have to create a different rule for each cf value? I currently have a label already created for each cf value, but I want to avoid having to create a separate rule for each cf value. The goal is to just have one rule and I don't have to create a new rule and a new label everytime a new cf value is created, so ideally if would just say "when cf is set, add label with cf value".


Watch the video

If there is a CF with no corresponding label and invisible label with the name will be created.

That is why if you want a coloured label instead of an invisible one that use a temporary custom label (ie with a name) of the colour of your choice and replace the temporary name with {customfieldvalue}

@milynnus thanks so much for taking the time to record the video! I finally managed to get it working as expected. The part that I was getting hung up on was that I actually had to create a label called "{customfieldvalue}". Thank you again!Screenshot 2021-06-30 172622.png


Hmm that result is different from what I had experienced. What is got was an invisible label with name equal to to {customfieldvalue}  

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