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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4621/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: 12345 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IkgxaHg5ZFVsMC05bDVhc0xZMVR4NzhSVUQ2REhhb01lOU9PcGZuUm9zbEUiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0NjIxLCJzdGF0ZV9ub25jZSI6Ijk1Y2VhODlkNjJlY2E3NDU0YWYxIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0NjIxIn0sImlzcyI6IlRlc3QwMSBUb29sIiwic3ViIjoiMTIzNDUiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy80Njg5L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3NzcxMDY0OTQsImV4cCI6MTc3NzEwNjc5NCwianRpIjoiYjc0YzNmZjU1YzRmNzEwNjc3YTIifQ.FZZCYrgAwJxPk_k5_4noFMZhCVs7tKJS6n6tAd39-rt0g80nvKWnJs5QXM8raB1uyQvTvzo5uJP6pqVqxxJlqOGh338426DGyR65HkS8vSW6cIbc5dos4byO41ZHXg_n6b1XUKdTNlKVI0GvnXKxho4vyJdMO-UM3nYsK6m8v1FwA54aJHrK3JzK_wCZN0WLoVqwVrMmuiErOxrVgmbK2b2xxL2YPDlvUI02z-Q5Kpg9mrniCk93emA0wNrTaTbPYbsRQpceQgDfZCiImvmAx6Oi3dbUhDX3mO3QoFejoUvNo5SxYLwQGuJSjjCbbnSRBNRkXlP_ihExHLRRTOd-Uw (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: 95cea89d62eca7454af1 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)