To find Manager id based on Project id

Hi ABAPers,

This is kishore. I am new to ABAP-HR

Can any one tell me the logic based on Project-id (of its type HRP1001-OBJID) to find the Manager id, Manager Name, Manager Email.

I know the logic find name and mail-id, but I need Manger id of corresponding Project.

Any one having working knowledge on PS module I hope they have good idea about this

Please help me in the format of sample code or Function Modules.

Thanks In advance

Kishore kumar