Creating an Execution Plan of various Projects

Hello to everyone. We have a project suite containing various projects. We want to create an execution plan at the project suite level, so an execution plan containing the various routines of the projects.

Projects Suite 1

- Project A

    - Routine A1

    - Routine A2

- Project B

     - Routine B1

     - Routine B2

We want to create an execution plan with A1, A2, B1, B2