Deploying Addin into Multi tenant HANA DB

Hello,

I am new to multi-tenant HANA DB environment , where we have single container including different tenant database schema's e.g. ERP,GRC etc

I have to deploy one of the Addin -HRF on ERP tenant database , would like to clarify upon below points-

- how to view already installed product/delivery units information for Tenant database..using HLM for particular tenant DB??

- I observed that  HLM link for various multi-tenant DB refers to same port?..if So, what are the user credentials we need to put during login ERP@<Container name>/ SYSTEM??

- In order to deploy component , we need to follow hdbalm tool as per below link .....in which -p , make sure that you specify the correct port of the tenant database....how to find port information for different tenant DB.

http://help.sap.com/saphelp_hanaplatform/helpdata/en/37/be2f0d13e343ef8a3d3998361ea883/content.htm?frameset=/en/9d/a31116066642a0a4dcc73019ccb88b/frameset.htm&current_toc=/en/34/29fc63a1de4cd6876ea211dc86ee54/plain.htm&node_id=457

Appreciate your quick help for above queries.

Thank You,

Rupali