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Copy cascading customfield value from epic to child issues

Lean Li

I have a cascading custom field on Epics and Tasks. What should be the JSON syntax in my Jira automation for copying the value from the parent Epic to it's Task.

At the moment the locig in the automation is this:

Trigger: issue created
Condition: confirm the issue has an epic link (not empty)
Action: edit issue to copy the parent epic's fields: components, customfield_15800 (advanced)

I have tried this JSON, but i doesn't work - automation copies component field but doesn't copy the value in customField_15800 to a task from it's parent epic (automation end is succes though):

{
"update": {
"customField_15800": [
{
"set": {
"value": "{{triggerIssue.fields.customField_15800.value}}",
"child": {
"value": "{{triggerIssue.fields.customField_15800.child.value}}"
}
}
}
]
}
}

Any idea on what the syntax should be would be greatly appreciated. Thank you alredy in advance!

Accepted answers

Vikrant Yadav

Hi @Lean Li For updating a cascading field this is the format :

Cascading select custom field

Select a single parent value, and a related child value. You can address them by value or id.

"customfield_11447" : { "value": "parent_option1", "child": { "value" : "p1_child1"} }

"customfield_11447" : { "id": 10112, "child": { "id" : 10115 } }

{
"fields": {
"customfield_10305" : { "value": "{{cascadingParentValue}}", "child": { "value" : "{{cascadingChildValue}}"} }
}
}

Screenshot 2024-05-22 141726.png Screenshot 2024-05-22 141748.png

All comments

Vikrant Yadav

Hi @Lean Li For updating a cascading field this is the format :

Cascading select custom field

Select a single parent value, and a related child value. You can address them by value or id.

"customfield_11447" : { "value": "parent_option1", "child": { "value" : "p1_child1"} }

"customfield_11447" : { "id": 10112, "child": { "id" : 10115 } }

{
"fields": {
"customfield_10305" : { "value": "{{cascadingParentValue}}", "child": { "value" : "{{cascadingChildValue}}"} }
}
}

Screenshot 2024-05-22 141726.png Screenshot 2024-05-22 141748.png

Vikrant Yadav

https://support.atlassian.com/cloud-automation/docs/advanced-field-editing-using-json/

Lean Li

Thanks this helped a lot! With this automation structure and these variable values I got it working:

cascadingParentValue
{{Issue.fields.customField_15800.value}}
cascadingChildValue
{{issue.fields.customField_15800.child.value}}

Vikrant Yadav

Glad to hear I am able to help you!

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