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.eyJ0b29sX2lkIjo0ODc0LCJzdGF0ZV9ub25jZSI6IjMxMmEwNGY3YjJmMTczNDdlMTg3IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0ODc0In0sImlzcyI6IndhbGRvc3JhbmdldG9vbCIsInN1YiI6IjEyMzQ1Njc4OSIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzQ5NjMvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc3NTEzNDI3MiwiZXhwIjoxNzc1MTM0NTcyLCJqdGkiOiJkZmIzYzJhMDJhODg0NGNhY2Q3NSJ9.r2bKZoqGLwOFnKngFGeD9nexj4QlakblUXmg-uIg9Qu3xsOVK_e5FrbBMSa3eNvJWtQEIpG_dZqkXDji7puZhRvXQfjL0QGpm4jLob65ltaxmMXC5uemr_Oshintz8t4aipvjvY014MwRh0bqRh4wjC0YQCgwRSP1Wk_9gpQC4lRbvAlaW6q9_MpeF6ZX8zxN0-Or-J1LxGaZANFSDzT9G19O3nWAX4bQp641WSghmypGjS_GFfkRPMwfrRplqJFvlkgCcG72JdHTpywRorNEb6m3yzaWFIy6L5hT4p3uzNlbrDZHRhRi_xAPqGSrvVu-l-UfwPDe1FasvxjssutXw (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: 312a04f7b2f17347e187 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)