Starting point

1. Navigate to Integrations and click new Integration and name it something useful.

2. To update assets you must create a PAT token in the Credentials sections see instructions here Using Personal Access Tokens | Atlassian Support | Atlassian Documentation

3. The token will be used later on in the web actions.

Open

Step 1. Get the the objects that will be updated with accountId.

1. Create a new Action, name it Get Assets User Object without accountId

2. Select Method POST

3. Enter URL https://api.atlassian.com/jsm/assets/workspace/{{workspaceId}}/v1/object/aql

4. Enter a Body that search for the object type you want to update and where the attribute AccountId is empty. Check the Assets module to find the id of the object type.

   { "qlQuery": "objectTypeId = 199 and AccountId IS empty" }

5. Select Variables tab and then click Javascript variable

6. Enter the name workspaceId

7. Paste the workspace id into the value

8. Click Save.

Open

Step 2. Lookup the accountId.

1. Create a new Action called lookup account id from email

2. Select method GET

3. Enter url {{baseUrl}}/rest/api/3/user/search?query={{email}}

4. Select the PAT token or the build in Atlassian Authentication token

5. Click on Advanced tab

6. Add a Iteration value: $.values

7. Click Save

Step 3. update account id on asset

1. Create a new Action

2. Select method POST

3. Enter url https://api.atlassian.com/jsm/assets/workspace/{{workspaceId}}/v1/object/{{id}}

4. Add the body

   { "attributes": [ { "objectTypeAttributeId": "1653", "objectAttributeValues": [ { "value": "{{accountId}}" } ] } ] }

5. Select the PAT token as Authentication

6. Select Variables tab

7. Add a json path
   accountId with value
   
   

    

8. Click save

Step 4. Schedule the execution

1. Click on Triggers

2. Select Schedule Trigger

3. Run it on a good interval like once per day

Summarize

The integration flow will run on an interval and the first action will get all user objects that does not have an accountId, then it will iterate over that list and find the accountId for the user and finally do a PUT operation to update the object with the accountId.