The report is already created and appears in the Catalog folder in the APM Reports Browser workspace.
Steps
In the APM Reports Browser pane, in the Catalog folder, navigate and select the report that you want to modify.
Select Open.
The Create new report dialog box appears.
As needed, modify the following values to the fields:
Datasource: The datasource for this report. To assign a datasource, drag and drop the query from the Catalog folder.
Subreports: The subreports that you want to assign to this report. To assign subreports, navigate the location that contains the report and drag and drop the report.
Note: The ID and the Default Caption field are unique and should not be modified.
Select OK.
The updated report appears in the Design workspace.
In the APM Reports Browser pane, select Deploy to publish the changes to the Catalog folder in the GE Digital APM.