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Multiselect field values copied from comment

Dominik Kaźmierski

Hello Atlassian Community!

I need help with Automation.

Here's a scenario - user provides data in a comment in this format:
{
"customfield_XXXXX": ["value 1", "value 2", "value 3"],
"customfield_YYYYY": "value Y",
"customfield_ZZZZZ": "Number",
}

Automation uses {{comment.last.body.substringBetween("\"customfield_XXXXX\": [", "],").trim()}} to populate a variable with data and then adds that data to a custom field.

This works for single select field and a number field, but I struggle to add data to multi select field.

Do you have any suggestion on how it should be built in order to populate customfield_XXXXX with provided data?

Thanks!

Accepted answers

Dominik Kaźmierski

I received help regarding my issue from Haripriya from Atlassian Team and the automation is working correctly now.

Having a comment formatted as below:
{
"customfield_XXXXX": ["value 1", "value 2", "value 3"],
"customfield_YYYYY": "value Y",
"customfield_ZZZZZ": "Number",
}

Variable = {{comment.last.body.substringBetween("\"customfield_XXXXX\": [", "],").trim().remove("\"")}}
creates correct format which can be used in JSON later on (log action: Variable is value 1, value 2, value 3)

Then correct JSON in advanced field editing should look like this:
{
"update": {
"customfield_11177": [
{{#Variable.split(",").trim()}}{"add": {"value":"{{.}}"}}{{^last}},{{/}}{{/}}
]
}
}

There were two main issues:
#issue.Variable.split(",") was changed to #Variable.split(",")

and .trim() was added to avoid white spaces.

All comments

Marc -Devoteam-

Hi @Dominik Kaźmierski

This would require advanced field editing options in the edit work item action.

See this KB article; how-to-update-a-select-field-multiple-from-the-content-of-other-fields

Evgenii

Hi, @Dominik Kaźmierski

Welcome to the community!

You can achieve your goal using an advanced JSON action in Jira Automation. The key is to structure the JSON payload correctly to update a multi-select custom field based on values from another field.

Here’s a working example:

If you want to populate customfield_10123 (a multi-select field) with values from customfield_10321 (e.g., a text field containing comma-separated values), use this JSON format:

This uses smart values to split the string by commas, iterate over each value, and add it to the multi-select field. The {{^last}},{{/last}} ensures proper comma placement in the JSON array.

{
"update": {
"customfield_10123": [
{{#issue.customfield_10321.split(", ")}}{"add":{"value":"{{.}}"}}{{^last}},{{/last}}
]
}
}

Alternatively, if you're working with Fix Versions or similar system fields, you can use:

{
"update": {
"fixVersions": [
{ "add": { "name": "{{ExistingFixVersion}}" } }
]
}
}

For more guidance, refer to Atlassian’s knowledge base, that earlier shared @Marc -Devoteam-:
https://support.atlassian.com/automation/kb/how-to-update-a-select-field-multiple-from-the-content-of-other-fields/

Dominik Kaźmierski

Hello @Marc -Devoteam- and @Evgenii, thank you for your answers!

I used suggestions from the article, scenario 4

And there are some issues.

I created two variables for tests:

Var1 is "Option 1, Option 2"

Var2 is Option 1, Option 2

When using "update" with both Var1 and Var2 I receive error: Additional fields contains invalid 'update'. You can use 'add', 'remove', 'set' or 'edit' for operations.

When is use "fields" instead of "update" the rule is executed successfully but field is being cleared (when values are present) or no options are added (when field is empty). I also double checked - both Option 1 and Option 2 are correct and available in my multiselect list.

Then I tried to use single line custom field instead of variables and I'm receiving Error while parsing additional fields. Not valid JSON. (in both "update" and "fields" configurations and both "Option 1, Option 2" and Option 1, Option 2 input).

Do you have any suggestions on where the problem could be?

Marc -Devoteam-

Hi @Dominik Kaźmierski

Can you please show your automation rule and in detail the parts of the rule?

Evgenii

Looks like, you have some problem with array of values.
Try this array, will it update? Haven't tested it by myself, will have time later.

{  "fields": {  "customfield_XXXXX": [  {"value": "Option 1"},  {"value": "Option 2"}  ]  } }

If it will work, we'll think how to split your values from string to separate values

UPD: No, not working. I'll debug it later

Dominik Kaźmierski

I received help regarding my issue from Haripriya from Atlassian Team and the automation is working correctly now.

Having a comment formatted as below:
{
"customfield_XXXXX": ["value 1", "value 2", "value 3"],
"customfield_YYYYY": "value Y",
"customfield_ZZZZZ": "Number",
}

and .trim() was added to avoid white spaces.

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