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.eyJ0b29sX2lkIjo0NTU0LCJzdGF0ZV9ub25jZSI6Ijg1OTc2ZWEzOTIzYmZiNmUwNjg2IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0NTU0In0sImlzcyI6InNiX2x0aV90ZXN0X3Rvb2wiLCJzdWIiOiJzYjEyMzQiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy80NjI2L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3ODI0NzI5MzMsImV4cCI6MTc4MjQ3MzIzMywianRpIjoiOTI5YTlmMzBmODY1ZDI2ZDMzZWUifQ.n9Jp3d6YJbc8nUYmt5TudPgntn88-ZwjrjP3RHN0z0YKZ9XhR8N9ZXHyDy4wI9YZ9TP5Vh3jrMw00hDtqTjU6WWIXrL2TsmPRzft7ojpDpBNs3kTfn2xI_CjYCJI-RhnSssJCZ8mnU75a-7HrqcTdma_BuMzFuoCCM5r_tIvn_Q9Lddjfi-pLL4Z2A5haYHuvuwg9lyOxRWpZUptmTDWCcSe5rdAfNh1b77YQSjDyy0iXAuNEsh7fbBj1jXMLFbPH99kl_pLzOZRcQndvKQ9RPIbFS83OluGcCH5k7G1xyVY5Ijme5oO86zgIOe1bXuHcHNcetsTgqYgoqdzTfq8Ew (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: 85976ea3923bfb6e0686 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)