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LTI 2.0 Certification : role value is not provided when it's expected on stage 2.1

LTI 2.0 Certification : role value is not provided when it's expected on stage 2.1

Hi All !

I have met a problem during passing LTI 2.0 certification here https://www.imsglobal.org/lti/cert/index.php

On step 2.1 we are testing launch tool provider as an instructor. But in launch parameters there are no role values at all, so on Tool Provider side (which is our application which we try to pass certification with) we can not understand which role is requested. You can check details on attached screenshots.

We have developed Tool Provider application according to our understanding of LTI 2.0 standard and it works fine with few LMSs already (was tested with Moodle and Sakai).

Please help me to understand is it our problem (maybe we just don't understand how to apply standard ?) or certification tool is not working properly and needs to be fixed.

Thank you