invetory into bins

Hi,

can anybody explain me how to use CATT to upload bin inventory in WM. As soon as we upload the stock into storage location then this will be seen at 998. so to move from this 998 to physical bins what steps i need to follow.And also in which format i need to maintain the source data. please le me know if there is any process to upload bin data. here the no of bins is some where near 1500.

........waiting for reply.....

thanks&regards