You can link to saved primary default,alternative default and public
reports using IR_REPORT_[report_alias] in the request value of the
URL.

The following examples demonstrate how to link to a primary report
(report_alias=12345):

This example links to a primary report:

f?p=100:1:&APP_SESSION.:IR_REPORT_12345

This example links,resets,
and clears primary report settings:

f?p=100:1:&APP_SESSION.:IR_REPORT_12345::RIR,CIR:

This example links,
resets,and clears primary report settings. It additionally creates a
ENAME = ‘KING’ filter on the primary report:

f?p=100:1:&APP_SESSION.:IR_REPORT_12345::RIR,CIR:IR_ENAME:KING