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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4868/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: client_id_123456789 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Il9pMDVheElFY0VBS2NtLUFodF9pLUZPTkZ3VEtoVzFIZVBvZTQwbVNvd0kiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0ODY4LCJzdGF0ZV9ub25jZSI6IjI3YWIzYzlkNDFkZDNiNTRjODk3IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0ODY4In0sImlzcyI6Img1cFRlc3RMeWwiLCJzdWIiOiJjbGllbnRfaWRfMTIzNDU2Nzg5IiwiYXVkIjoiaHR0cHM6Ly9sdGktcmkuaW1zZ2xvYmFsLm9yZy9wbGF0Zm9ybXMvNDk1OS9hY2Nlc3NfdG9rZW5zIiwiaWF0IjoxNzY1OTQzNDM5LCJleHAiOjE3NjU5NDM3MzksImp0aSI6IjRhYTY1OWU4M2MwZTk5OGY5YjliIn0.k7FRGyR80v_KiVVbeZ1WmOc54CeEBMDe1uCFgtR6V3zGgeJhtrfhRCorHPrUjsfrHBWf1t76jahq-nkIMINCDNEJHBDPLgw8eEfujPL9hDWs8qv8zEvgzhENOyseUlDvVYC4EoSp4PvyNzoVsregEEFf2Lv4hWPhzEeS3MSfT9W4vwZrf2lqtAxIfVO1-F2HTGvitYdVltg1tedFr07rgGsCyrce9vSO5_yCpLrdrigs4-cREJew0WoGd19F4-vHd5eJfOfH8_F1jPgBHMkyh-KV_GgqYETma4U69ckwfaK6ODMiSylZ0jKVI4g-rYLKYQGYz-LbfdBUPZvJ-gT3NA (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: 27ab3c9d41dd3b54c897 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)