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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4431/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: tool123 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ilk5RVliSUVHMlNNeVM1anV1SDVveVNLQTNrTEd1dGtuaFJDbzY0RXA2ZWMiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0NDMxLCJzdGF0ZV9ub25jZSI6IjM4ZDM0MTZhYjQ1YTNkOTUwODVjIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0NDMxIn0sImlzcyI6ImhlbGxvdG9vbDEyMyIsInN1YiI6InRvb2wxMjMiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy80NTE4L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3NzAzNzU2MzksImV4cCI6MTc3MDM3NTkzOSwianRpIjoiYmM1NDU0N2Y1NzU0NzY3ZDM1NTEifQ.A90TPgw8JemN1dVvm5iCAdc-jxu_jnD_u9mbp8g6zsqNyLbvT63uu54p36-tVPvzFb1ukScYAo2C7Z3Mcl_9oMxplC4j2EnLB6XgWm2OLbHa1NPZLhxuomUVPUXqGfWkuNZV82HCjMiczIVq4mOIWm1kMZ80GpoNRa3FnlG-0-b3tyhtuKvIhTgIxAChdnweY4EvsdTULNB2tmwu75E5v4Te2NY4bUJPzFtHgtED6zMMfiKHS5-a2HU1DJ3jpIaX0WVsSlWyZakwbNbrjFi-7rjKZXZW2teJB-81szgN1BsupeWz85jvlalhXlJWsPguFQyiInHE2qxscrcsiKgSVw (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: 38d3416ab45a3d95085c (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)