How to link multiple public saved reports in interactive report

This video assumes in each interactive report there are a couple of public saved reports in the interactive report. How to specify the right public report in the page link for each of the IR?

Please look at the URL
?p=&APP_ID.:1:&SESSION.:IR_r_emp1::RIR,CIR::IR_DEPTNO:ACCOUNTING  
request IR_r_emp1, the r_emp1 is the alias of emp1
IR_DEPTNO, DEPTNO is the emp IR column name
Oracle official documents.
https://docs.oracle.com/database/apex...

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