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.eyJ0b29sX2lkIjo0ODc0LCJzdGF0ZV9ub25jZSI6ImM2OGUzYWIyOGI4ZWM2ODQyMzFhIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0ODc0In0sImlzcyI6IndhbGRvc3JhbmdldG9vbCIsInN1YiI6IjEyMzQ1Njc4OSIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzQ5NjMvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc4NzY1MDQyMiwiZXhwIjoxNzg3NjUwNzIyLCJqdGkiOiJlZjlhM2Y4NjBjNDdmMTk1YTg2OSJ9.JlrwlZziPMe5Jrn-fFeAJglqlBKsQf6WqRWAO0m6_W13VmlgAX7ZQ_VHkW7sO9e7e4g-t9G5Nx-Hzt_EcfYkpKgRTot5T4WZqryAKu54JSehwmpSCnX5v5JtA5D1-Y-fCdSbDkwtspCpJXYpWS0LQ_Xk0QL97KMXUxMitiIe_IAd4Ut8u-qqUlv4DNkBlWgjxghKTBVpdjpnC9sXLXfktG75lTyMrt4oZqPQfrXBAMLV2A3YjA3P-gRRQtV0Z_H2C3UmiZEynvTU9dWKAyXJ_7iBc0uBcAgYxJ-f64h4w1bpVZOb2K5wfgA26u5lbRC1HqU3Np75KgLA2bd_m5TtAQ (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: c68e3ab28b8ec684231a (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)