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trigger rule if a custom field is not set yet


is there a rule where i can trigger an empty custom field?
If an custom field is empty (not yet set by anyone) a warning (label, whatever) should be shown on the card


best regards


1 answer

@Alexander Ottitzky 

For trigger is when the CF is cleared. You can also set a condition on a trigger card that the CF is not set.

thnx, but where can i manage conditions? 

@Alexander Ottitzky 

For example you want to trigger based on a card being moved to a list you can set the additional condition for that card using the flask icon and under Fields add the condition that the CF field is cleared. 

sorry, i want to to the following: 


if a custom field is empty, add a label to the card. 

how can i do this?

@Alexander Ottitzky 

When a custom field is empty is not a trigger event but a card with a cf not set is added to a list is a trigger event and you follow by add a label 

and how can i set a card unfilled cf set to a "list" ? 

can't find this option? 

so without moving a card to a list there is no way to detect if an cf is not set?

@Alexander Ottitzky 

Is this what you want ,

when custom field "Name" is cleared, add the yellow "Meeting" label to the card

this is a trigger event with an action. So the label is set when you clear the CF

There is no "if a CF is empty"

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