This might help then Dannielle24, post from another forum ;-)
"Hi, I also applied through an agent and he shared me three attachments.
1. IMMI Visa Application Summary.pdf - (you will get your TRN in this)
2. IMMI Acknowledgement of Valid Application Received.pdf
3. Payment Receipt.
Your Agent quoting his/her "Organisation account". If we log in using this, we can see all details about his/her client. But you can create your own Immi Account.
Step one - Create an Immi Account using Immi website. a). click on log in to Immi Account. b). click on link "Individuals can create an ImmiAccount to".
Step two - After creating the Immi Account validate using the account using the link received to your email.
Step Three - Link your Immi Account to your visa application using your TRN, DOB, Passport Number and Family Name.
Now you can see all your details including the co- applicants.
Cheers!"