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.eyJ0b29sX2lkIjo0NDMxLCJzdGF0ZV9ub25jZSI6IjA0NTQ5MjM1NTNhMTU4MWVkYmQ0IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0NDMxIn0sImlzcyI6ImhlbGxvdG9vbDEyMyIsInN1YiI6InRvb2wxMjMiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy80NTE4L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3ODc2NjQ1MzQsImV4cCI6MTc4NzY2NDgzNCwianRpIjoiMDYxYWQ2ZjgwYWRlNDE3MmJmM2MifQ.vJJ7taaIiCWsW97k9FDSA8m7_Bp3xPqL_QIW6VdLMSP-_9GHqar38411E19TaHyanipFxCEdD0nMfH5g6hvNqBcvjHHpLydQXeP0FDqW8X3v_bZR68Onxa-Z-E9ZZqe5-i-mNtceP5NkbhgpicmLeYC2jE85Taq7oiJ6S0OKcUjmTiPVWEUgrSNEztCGmWh0xyqmrB7m97pENWnsnl89bn1_uy5VZ7M7wVH175_mDlBJcJLRXJZjCciESUr5A_p2d8IiGnPOOfMs_2FvFP84hJBPGivDMdAR6k7_oyLB1VpWWnR_iJfdzPwm5hjtVvv-7L9zn3_LojJsDKWVkukmrw (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: 0454923553a1581edbd4 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)