There are a few steps needed to be taken to integrate Smart Spam Detector
Enable the Smart Spam Detector in Jira Service Project
Go to the Service Project page
Click the ‘Smart Spam Detector’ item in the left navigation panel
Enable the ‘Spam detection’ toggle
Add the Jira post function
Go to the Project settings of the chosen project
Open the ‘Workflows’ tab
Click the ‘Edit’ icon in the issue workflow row
Click the transition between steps of workflow where you want to activate spam detection. We recommend to use transition that goes right after the issue is created.
Click the ‘Add post function' link
Select the Jira workflow Smart Spam Detector post function and click the ‘Add’ button
Repeat these steps for all Issue Workflows you wish to have spam filtering for
Add the Spam score field to the Issue screen
Go to the ‘Issues’ page in Jira Settings
Select the ‘Custom fields’ menu
Select the ‘Spam scope’ field
Click the ‘Associate to screens’ button
Select the Issue screens from your Jira Service Projects with enabled Spam detection
Click the ‘Add’ button
Now the ‘Spam score’ field will be shown in the Issue View page for the newly created issues