n connections, n items first post and then get

Dear All,

I am new to LoadUI. I have very basic question. Following is the test case scenario i would like to perform in the LoadUI. Please help me that how i can do

- 1000 user connection
- Each user post 1000 items at same time
- then each user get its own created item at same time

I have SoapUiPro license. Let me know if this scenario i can do using LoadTest in SoapuiPro

Thanks a lot in Advance!!

Regards