response_type: id_token (required, the tool must use a value of id_token)

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/2873/launches (required, This URI must exactly match a value pre-registered with the platform)

response_mode: form_post (required, tools and platforms must support a value of form_post)

client_id: 12345 (required, client identifier valid at the Platform)

scope: openid (required, must contain the openid scope value)

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImVCYVBSMDNzWHRrNHEtQjJTeUFCUlZHLVc5OGtKeEozYmdxcndfOUw2Tm8iLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoyODczLCJzdGF0ZV9ub25jZSI6IjQ3N2I3MjRhODdiYWE1OGE2ZmRiIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyODczIn0sImlzcyI6Ik1pa2UgVG9vbCIsInN1YiI6IjEyMzQ1IiwiYXVkIjoiaHR0cHM6Ly9sdGktcmkuaW1zZ2xvYmFsLm9yZy9wbGF0Zm9ybXMvMzE5OC9hY2Nlc3NfdG9rZW5zIiwiaWF0IjoxNzc2NjM1MjUwLCJleHAiOjE3NzY2MzU1NTAsImp0aSI6ImY1ZmJjNWUxODQzZTc3ZTg0MjNjIn0.NdxSUdGMDCC_SoUIRg1hgnUrWRIyBZoy_THe-cueKPhS_l1cNuvH-2Mu_LRhJhbQmVgYcJJYibkcgJaPWL4ED0UxhVk9tmiCOvQ_gNf8bWdCKYsczkPyetwuwiVcrFhbXYoPEBJUny-Hb2yntlLnUyLn26T2hq8I74FSVjEjij0TKQE4N7NtkuCDaqjHfbUH6Op2k5wQymyDo4Q0chl1t8SUIOnO2MmRTPoq6MBA_feaNasNQsN9OYTmK3Xkm8pwOApS7pYQQiIouC93Kidh26jviGvBTiENVF8w0PzzGXzwJxgLcrzaaQPh0NTog9QHUVwj8HnraPBpSA2sK7afkw (required, opaque value used to maintain state between the request and the callback)

login_hint: (required, tools and platforms must support a value of form_post)

lti_message_hint: (required, a platform opaque identifier identifying the user to login)

prompt: none (optional, The tool should use a value of none. In the future a re-launch flow may support additional values being used here)

nonce: 477b724a87baa58a6fdb (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)