Automating Custom Field Updates with Webhook Data in Jira

Neville April 17, 2024

I’m working on setting up an automation in Jira that involves updating a custom field based on incoming webhook data. The webhook payload includes a list of Vendor IDs in the following format:


The values are a series of letters like A, B, C, D.

In Jira, I’ve created a custom field within an Epic, which is a multiple selection box containing the same set of values (A ,B, C, D).

I need to automate the process of matching the webhook’s Vendor ID data with the multiple selection box values and update the selection accordingly.

Could anyone guide me on how to achieve this match and update the custom field using Jira automation?

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Bill Sheboy
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April 18, 2024

Hi @Neville 

If the values are the same between the input and the multiple-select custom field, you may do this with list iteration and advanced edit with JSON.

The challenge for a scenario like this is in the details: your webhook data must be correctly parsed to create the JSON message.  Based on what you described that might look like this, substituting in your custom field's id:

"fields" : {
"customfield_12345" : [
{ "value": "{{Vendor_ID}}" } {{^last}, {{/}}


You will probably want a condition before the issue edit to confirm there are any Vendor_ID values in the webhookData.

Here are some references to help:

Kind regards,

Neville April 18, 2024


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