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how to write parser expressions updating fields with automation rules

What should the syntax be for updating fields using smart values in automation rules?

I am using an on-premise version of Jira.

I have written a rule that is triggered when a comment is added.

In this simplified example I want to add the last comment concatinated to the description field.
In the end I will use instr() and indexof() functions to get a provider case number from the comment field and add it to the name field.

What works is adding the comment as it is to the description.
Using basic parsing mode the parser expression is this:

What does not work and what I want to achieve is this:

Also tried different versions

What I now see in the description is the parser description itself.

What should the parser expression look like?

2 answers

This is the first time I work with Jira, but I am quite certain we use Automation for Jira. I have added a larger screenshot that shows this.

We are using an on-premise version 8.8.0


Hi @Trond Meistad -- Welcome to the Atlassian Community!

Would you please post an image of your complete rule?  That may provide context for the community to offer suggestions.  Thanks!

Until then...Please take a look at documentation for the available smart values for Jira Server/Data Center, automation.  That may help.

For example, the last comment's body from the trigger issue is:



Kind regards,


If I type {{triggerIssue.comments.last.body}}, the text gets a black font color and is added as {{triggerIssue.comments.last.body}} text in the description field. Obviously it is interpreted as plain text.


This is what it looks like when a comment is added


Here is the rule definition. In the final rule it will be string operations that will pick up the case number that always starts with "AB-" and add it to the end of the Jira case name.


My apologies as I thought you were using Automation for Jira (the Lite or Pro version).

I am not using the Server/Data Center version and so did not recognize your tool, and instead you appear to be using something else to perform the automation.

What are you using to create the automation?

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