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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4554/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: sb1234 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ilg1NkR2STFERmtpaXVNNkN1aXZxRENzV0JrUm1mTjFHUG1Uak0wMG9sUk0iLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0NTU0LCJzdGF0ZV9ub25jZSI6IjhmMzNkNDcxNTdmZjBiMjNhYjRiIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0NTU0In0sImlzcyI6InNiX2x0aV90ZXN0X3Rvb2wiLCJzdWIiOiJzYjEyMzQiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy80NjI2L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3Nzk4MDM4MjAsImV4cCI6MTc3OTgwNDEyMCwianRpIjoiZjc2MDAxZThhYzljMzc1ZWUwNWYifQ.k0hH_YuHoLYZI-hm8eY2QaHV4jlZZqp2BxLhGtCPwcFCuDT00X3B-Bj7Up4ze-sfpe2Unl6kvQSGBmzGEBOxzODvKOoiWgwJ_aQZe1mPoNK-bw2nnBOIhqhLLhKWCBpy8JyoJVbz63V_Rd5Pa0uPxmo20rr7uePQcAoqJXJ3u0SzNsztFedIaLZpo-g3sLbMQP2x9ww7GZXgp6hR1JYudDPpfj4bdv_VGVyfbpxbbKnVxdCDu0nMEjtv50IOAhLogL-lJVX1wE5bBh5-xSKIz89Eq5iJaslN-6fyIX78CYq7EcrQQVnJBsq3d9A_xFFhFE0mpGIQ0UMPgP6R7XLffw (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: 8f33d47157ff0b23ab4b (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)