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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4874/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: 123456789 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImtrZk9XemRqMnJUTTNObWRoXzhvMmJaLU51YlV2X19VTERMaTNncTlNXzQiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0ODc0LCJzdGF0ZV9ub25jZSI6IjQ3ZTFlNDIyZDdlYzFjMWYwOWMwIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0ODc0In0sImlzcyI6IndhbGRvc3JhbmdldG9vbCIsInN1YiI6IjEyMzQ1Njc4OSIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzQ5NjMvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc3MDQ2MDg1NCwiZXhwIjoxNzcwNDYxMTU0LCJqdGkiOiJkMzExNGQ1ZjRiODRiYzgzMmVhNCJ9.D0rvbcV0Tu9Wz0NIOohN6LMoDNwUMYIwhbGbkoDr71aZ2x_CLOmWM-Bqv3VuzJ5qhSE5XuRlOTzuJWS-NBm1eWItlYJWq8d0fmpEi7NmiMoDsEMZYb7I4w53iWc8fr7u9MDJpvKIfWRtRkO58Rp7z5_d61t76b1FpZidB1HGu6g_RTD9ZCg1_NpeKHaf2Bro8OfOyRI9cGYS2rKW_Cy8GaX-TFG0kFa33cfG-GEV8_pCcpHepEL9SwSldbM8NihkoAKJyJqQ4wxyg-adXOg1j3vPnVPM-rmxeGGN0BZ37CMnR6LRKRgWtB5ur_8wWoAndklCzZIv2s4hOMgGjH1F6w (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: 47e1e422d7ec1c1f09c0 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)