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How to use custom fields in connect's jiraWorkflowValidators module

Javier Perez

Use case

I'm trying to do a connect workflow validator following this documentation Custom fields are available according to this other documentation.

Issue

My app installation fails (error msg: "An error occurred during installation. Contact the app vendor for support.") when using this expression in the app descriptor:

"expression": "issue.resolution.name == 'Done' && issue.customfield_10077 != null"

Questions

Can custom fields be used in expressions in the jiraWorkflowValidators module
If so, which one is the right syntax to test for a custom field not to be empty

Accepted answers

Darryl Lee

Hi Javier - are you developing your own Jira application (add-on/plug-in?)? Cool!

One of my favorite apps for testing Jira Expressions is Jodocus's Expression Tester.

You could use it to validate your expression. The correct syntax for determining if a field is "empty" is: !!issue.customfield_10077

So I might try:

"issue.resolution.name == 'Done' && !!issue.customfield_10077"

Let us know how it goes.

By the way, if you're not trying to build your own application that includes a workflow validator, then to use Jira Expressions for that, you'll need to use an add-on:

All comments

Darryl Lee

Hi Javier - are you developing your own Jira application (add-on/plug-in?)? Cool!

One of my favorite apps for testing Jira Expressions is Jodocus's Expression Tester.

You could use it to validate your expression. The correct syntax for determining if a field is "empty" is: !!issue.customfield_10077

So I might try:

"issue.resolution.name == 'Done' && !!issue.customfield_10077"

Let us know how it goes.

By the way, if you're not trying to build your own application that includes a workflow validator, then to use Jira Expressions for that, you'll need to use an add-on:

Javier Perez

Thanks Darryl for your tips!

I simplified my expression to focus in the custom field. I installed Expression Tester and tested my expression syntax, which went through, see below.

My installation is however still throwing error.

This is the jiraWorkflowValidators entry in my descriptor

"jiraWorkflowValidators": [{
"key": "workflow-validator-edf",
"name": {
"value": "Early Detection Phase mandatory validation"
},
"description": {
"value": "Early Detection Phase fields should be mandatory when resolution is fixed"
},
"errorMessage": {
"expression": "'Early Detection Phase can not be empty when Resolution is fixed'"
},
"expression": "!issue.customfield_10077" 
}]

If I change expression to "expression": "issue.resolution.name == 'Done'" as below the app installs (and runs) correctly

"jiraWorkflowValidators": [{
"key": "workflow-validator-edf",
"name": {
"value": "Early Detection Phase mandatory validation"
},
"description": {
"value": "Early Detection Phase fields should be mandatory when resolution is fixed"
},
"errorMessage": {
"expression": "'Early Detection Phase can not be empty when Resolution is fixed'"
},
"expression": "issue.resolution.name == 'Done'" 
}]

Any suggestions....?

Thanks!

Expression Tester:

Installation error

Darryl Lee

Alas, unfortunately development of add-ons is beyond my experience. You might try registering and asking in the Developer Community. This forum is specifically devoted to Jira Cloud:

https://community.developer.atlassian.com/c/jira/jira-cloud/7

Good luck!

Javier Perez

I didn't now about the forum you mention.Thanks Darryl!

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