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.eyJ0b29sX2lkIjo0NDMxLCJzdGF0ZV9ub25jZSI6Ijk0MTQ3YjZkYzc5YTlhZDg1YmE2IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0NDMxIn0sImlzcyI6ImhlbGxvdG9vbDEyMyIsInN1YiI6InRvb2wxMjMiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy80NTE4L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3Nzk4OTU5NTQsImV4cCI6MTc3OTg5NjI1NCwianRpIjoiMWQxM2NkZDYxYjJkOTRmOGJhZTgifQ.m-f1hoa2VIcRD7BY0L5ieR3MgcCtCcv9TE0T7RA644ZBs-pVHACbt8uB6_oZhdrcO2T2ZjQraMcCIf-bsMHayatqhrqnfUbtuXO56ri1Tul1w4RneWtr75hpicV6VxJnTfYh8lqYH8V_HTzIbHzPZkDNwUw_JzGeET-HUZ4ApwszLmat8WXgAo3xsk7HWMYVHUJBRC77LJfqLqiqDZ13RONMLY8pFq4mMTpGofY0igEU-YnXqozpctekjq5vLoicqzZRgnox9g-PIsE8-Zv0h8hOP6hB2Y5eVWTySFju0rpHTbU1YXc0_W_gPylb0XjY0wurxlV-PA-txubtWbZhOQ (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: 94147b6dc79a9ad85ba6 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)