To upload a template for External data model type custom report:
- In the Report file tab click the Add/Modify button.
- Click the Browse button, navigate to the .XDM file you want to use for the data model, and click the Upload button.Unifier uploads the data model for the report to the BI server. 
- (Optional) To modify the data model, you can download it to your local drive by clicking the Download button.
- Click OK.
You need to upload the Data Model file (.XDM) from the custom report Template File tab, using the following parameters:
- uuu_p_project_id- Project ID 
- uuu_p_context_company_id- Company ID 
- uuu_p_process_id- Workflow process ID 
- uuu_p_source_id- Business process record ID 
- uuu_p_object_type- Business process id as in uDesigner 
- uuu_p_hide_task_details- To hide the task status if the user does not have permission. The value of 0 is passed if the user does not have permission to view the task statuses 
- uuu_p_hidden_comments- To view the hidden comments, if the user has the permission. The value of 1 is passed if the user has the permission to view hidden comments 
These parameters are used to pass information from the Unifier runtime to the BI Publisher server (integration at runtime).