portfolioChildrenOf() to get all initiatives across the organization where my team is involved#18

I would like to get all the initiatives (keys) in which my project is involved. It means all the existing initiatives created across multiple projetcs, my team needs to know where some worked is required to achieve the different initiatives across the organization. It will be very useful to plan the activities et make a high level prioritization

I would like the ability to list all of children of an initiative for reporting.