API to Add Component to Stream

Hi,

I want to Add a Component to a main Stream.

We only have one main Stream called MAIN (Project Area IVP)

My problem is that I have a main Stream called "MAIN" with project area "IVP" and also one called "MAIN" with project Area 'Test".  If I want to Add component 'X' to main Stream "MAIN" with project area "IVP" using a java API

it adds component 'X' to main Stream "MAIN" with project area "Test"

Can anyone help me ?

Thanks

Stef