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.eyJ0b29sX2lkIjo0NDMxLCJzdGF0ZV9ub25jZSI6IjFiOGYxNjk0YzU4NWE3ZTAxNDEzIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0NDMxIn0sImlzcyI6ImhlbGxvdG9vbDEyMyIsInN1YiI6InRvb2wxMjMiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy80NTE4L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3NzIzNDY0NzMsImV4cCI6MTc3MjM0Njc3MywianRpIjoiMzZiMTdjZTVlMzU3N2ZiZDlkNTQifQ.OWZ6_NZhp17DieA7kKjLoZvCWHW_vIlZNWNtRtOfWHW5Od3IZVPAj76986Yg4KlMhtnfOJ5Zr5i9Ic9K1AJcWrtIizp-okzCcS2DqDSOIKlTDYHW1cmDyIOOsWMOx4dMIXvcXCIc2gJNeTLe8tYX1f6tFjczZ9hIg1tilwdOfoUAaB9Xio95gXCoo-TEEJTop8_OzhE3_7E6uvTUR3I9qp_sdtd97c59DbMvGDAWmn81Y_D_aYesd8YHcakUeBrm5k4MXKwFO0zzGvjZ9AnCpfkmzvXf7eaaD9kPw5IYEG5UGYRBsloulDtYzc-OhaVLNJzrA0FBNtHUHDkH_jscWQ (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: 1b8f1694c585a7e01413 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)