There is information PowerSchool Developer Site to help with this. This is something that can't be answered easily in this forum. If you are having trouble, there are many in this group that can help you troubleshoot. Here is a link to the developer site on PowerSource. You will need to have an account to access it.
Please remember to give Kudos and/or select Accept As Solution on the helpful posts to thank the author and to help others find the solution. Thanks!