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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4974/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IkhoSXotZjhiRE8zTUxKTDZNemtpeXRFdk5sdmlYcGxCaDVxZE9MUm1sVVUiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0OTc0LCJzdGF0ZV9ub25jZSI6ImIxOTg5ZmEwMWY3OGFhYmRjN2NhIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0OTc0In0sImlzcyI6IlNVLUVEIFRlc3QgVG9vbCIsInN1YiI6IjEyMzQ1IiwiYXVkIjoiaHR0cHM6Ly9sdGktcmkuaW1zZ2xvYmFsLm9yZy9wbGF0Zm9ybXMvNTA3Ni9hY2Nlc3NfdG9rZW5zIiwiaWF0IjoxNzcyMzg4ODQxLCJleHAiOjE3NzIzODkxNDEsImp0aSI6IjVhNDgxMTQ1NWY2ZGE1OGRiYTg4In0.WBdeq3Ih2coGdEBgUt6Lv53q4ycbbUTs_Dwu8c1_0Kd33G06NFg7tuNa7EmFEpHisabRS03-nOgNObjqrRVdffbPC_yowBUp_rvCxguXdnWzkGQkDW0AtYywkLRwwc-4Tq04h_z2ZlsuZBcw-DKWIwIlMoJ-1RMKUvPFF_sT3izb5xtze4Xfm2AcMoXwCZ7oWYZ3sm9gfjqnSROjjINvCK0L_S5EMZgK_xBPvTEtK2j1XbYRZs4-GAVseHeHhlaz2J5RP56tktUXPUuUFx8Oiq-VVapGveM0QQgDf307nWumxx--p_ST8TY2L8LQTHPuBCUVX-MYTnEPvEqSm8GiGg (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: b1989fa01f78aabdc7ca (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)