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Jira automation variable value set to empty

Peter Reiser_21xzqa

How can I set a Jira automation variable to empty ?

When adding a variable I have to provide a value.

The current workaround is to set the value of the variable from an empty custom field.

Screenshot 2021-03-12 at 22.58.48.png

-- but this is not a really professional solution :-)

Thanks your your feedback

Peter

Accepted answers

Johnny Hermann_vg9cr0

One workaround:

Create the variable with a value that is an arbitrary known string:
- Variable name: myCoolVariable
- Smart value: _EMPTY
Set ("create") the same variable again with a value that is itself with the "remove" function called on the same arbitrary known string:
- Variable name: myCoolVariable
- Smart value: {{myCoolVariable.remove("_EMPTY")}}

All comments

nmenere

Hey Peter,

I'd love to hear the use-case for this as I can't really think of one.

Cheers,
Nick Menere
Automation Group Product Manager

Peter Reiser_21xzqa

@nmenere Here is our use case

1 .We have a 1st level Servicedesk per country ( 10+ Servicedesks)

2. Each Country Servicedesk has different values for the Technical/Application categorisation as they have different services/applications

3. We have automated ticket routing for 2nd level support Servicedesk's based on cascading fields (Technical/Application categorisation) from the 1st Level Servicedesk.

We are using Automation rules to evaluate the Technical/Application values and then set to correct Technical/Application categorisation for the 2nd level Servicedesks. In certain case we have to set the cascading field to empty

Example:

{ 
"fields": {
"customfield_10052" : { "value": "Services", "child": { "value" : "{{TechnicalCategory}}"} },
"customfield_10051" : { "value": "{{ApplicationCategory}}", "child": { "value" : "{{ApplicationCategoryChild}}"}}
}
}

Where variable {{ApplicationCategoryChild}} has to be empty

Johnny Hermann_vg9cr0

I have a scenario where I need to check if any of a set of possible changes occurred during an Issue Updated event.

I need to create a variable defaulted to empty / null. Then with a sequence of if-elseif-elseif, if any branch is true it sets the variable to a non-empty value (like "true"). Then the rule is allowed to proceed only if the variable is not empty. (I need to use if-elseif because Automation does not provide logical "OR".)

Workaround: Check the variable for exactly "true" (or not "false"). but "code" not as "clean".

Patrick van der Rijst_0n8q7n

Scenario: we have a transition screen where you can check boxes like "Create Epic for this work"

Within the automation rules we create various issues and based on if an epic is created, set that as the epic link.

Since we can't do an if within an if, I can't check if the epic is created and should be linked so I have created that as a global variable and setting that variable within the block of the epic creation.

Johnny Hermann_vg9cr0

One workaround:

Create the variable with a value that is an arbitrary known string:
- Variable name: myCoolVariable
- Smart value: _EMPTY
Set ("create") the same variable again with a value that is itself with the "remove" function called on the same arbitrary known string:
- Variable name: myCoolVariable
- Smart value: {{myCoolVariable.remove("_EMPTY")}}

Steven Tonge

You can just use {{remove}} to empty a field.

Jorge Martinez Bonilla

We used {{NULL}} when assigning the variable. The constant is documented in Jira Smart Values - Math Expressions

micagl admin

that is basically another variable of name "remove", if this one is not set, it will probably work, but I guess not a good idea, until someone defines this variable as it won't be empty anymore and probably break the entire rule and nobody knows why...

micagl admin

works just for the first if/else block, if you have another one afterwards, it won't work for this

I don't know why... and it doesn't matter where your define the "global" variable, e.g. right at start or after the first if/else block -> it is still the same

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