I tried using the tool in the our sandbox environment (still under the instructure.com domain) instead of canvas.instructure.com and the grade passback is functioning properly. I've spent very little ...

I was mistaken as to the purpose of dataSource, I was confusing it with the resultData. I'm not sure what, if anything it is being used for. 

Unfortunately it isn't making a difference if we are loading in a new tab or not.

The dataSource element is used for the Submission Details when viewing a grade in Canvas. In our case it is a link back to our tool that displays more information on the assignment.The duration and de...

The tool is POSTing the following XML to Canvas at the URL provided in the "lis_outcome_service_url" parameter when launching the tool. The last time I opened the tool this was the provided value:  ht...

I tried using the tool in the our sandbox environment (still under the instructure.com domain) instead of canvas.instructure.com and the grade passback is functioning properly. I've spent very little ...

I was mistaken as to the purpose of dataSource, I was confusing it with the resultData. I'm not sure what, if anything it is being used for. 

Unfortunately it isn't making a difference if we are loading in a new tab or not.

The dataSource element is used for the Submission Details when viewing a grade in Canvas. In our case it is a link back to our tool that displays more information on the assignment.The duration and de...

The tool is POSTing the following XML to Canvas at the URL provided in the "lis_outcome_service_url" parameter when launching the tool. The last time I opened the tool this was the provided value:  ht...