By default there is no any information available in this view. To view the information of the process instance that you want to monitor, you need to provide the process instance ID.
If you already know the instance ID, type it in the Process Instance ID field and click on the View Details button.
If you do not know the instance ID, click on the Filter the instances link. This will redirect you to the Advanced Filtering page where you can use filters to find the process instance you are looking for.
Enter the desired filters to search for the process instance you wish to find and click on the Search button.
Click on the desired process instance under the Search Results section and you will be redirected back to the Process Monitoring page with the historic information of the process instance you selected.
The process diagram of the selected process instance will be shown at the top. The table at the bottom shows the audit log of each activity in the process instance.
Click on the Variables tab to view the information on instance variables of the instance.
Click on the User Tasks tab to view the user task information of the instance.
If the selected instance in invoked by another process instance, click on the Caller Instance tab to view the parent instance's information. This caller instance information is available only for completed process instances.