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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4516/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: 123456 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImZmME02cWtKN0FOck04SzA3Sldhd3RmZklBaDNGUms4M0d5N1ByLWRlc0EiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0NTE2LCJzdGF0ZV9ub25jZSI6ImExZGYxYmY4ZWJmMDEwNmJkN2EyIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0NTE2In0sImlzcyI6IlRvb2wxOTEyIiwic3ViIjoiMTIzNDU2IiwiYXVkIjoiaHR0cHM6Ly9sdGktcmkuaW1zZ2xvYmFsLm9yZy9wbGF0Zm9ybXMvNDU5NC9hY2Nlc3NfdG9rZW5zIiwiaWF0IjoxNzc0OTU2NDE2LCJleHAiOjE3NzQ5NTY3MTYsImp0aSI6ImJhNDdmMmNkODQ5M2ViMGM0ZDNiIn0.iJvaiDU_d4vjJRZqhpd0iq7vtScUzYdkZA8To1Wfxr86G5uVG0tcaxxgG2BHmejMCLJuUCm9lEdkqMOJdFleeItDHAJfqMoOWPtbGpULcJwlzg2SzHHMGNGYiMLjEee2mMzm1iBxJ9T_J9FoHx6PhAhIvQiiESnwJFRMxt2AJFg-duBlZSiQBJ4tn6x8JGrKZAT-R8WhtX-J2WLtuITOOZX4hoKcXZCqd2r4Dy-Bt6exhSs7F1Qvjn97qdQ6yUTcyWcV4YCeTvMyNgT2mJuy4_lXpszrFV2YvZboxEJ2Cubx85lQrBqyhFHEBnNUIJHHm4gDQ85wpSWhW7HjffhlvQ (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: a1df1bf8ebf0106bd7a2 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)