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.eyJ0b29sX2lkIjo0NDMxLCJzdGF0ZV9ub25jZSI6IjM4ZDRlYmUwMTM2YTQ3NzA2Zjg2IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0NDMxIn0sImlzcyI6ImhlbGxvdG9vbDEyMyIsInN1YiI6InRvb2wxMjMiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy80NTE4L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3ODI1MDQ3NzAsImV4cCI6MTc4MjUwNTA3MCwianRpIjoiMWUyZjM0MDFjNWNkZjUzNjU2NTAifQ.yRDTpbQoICq9ijX1MxbxSaGutogoIy1otHWiOsof2k0qEBqKUEtlqufIPYrx7T6-y6OUXaGgPIscsNSrUp-_U0yr9mRC1aYHQUlSFjQ5dRMooKUiQazWij0x1j2mlEUNPxPwGJG6AMApgX2KMYivq5H6vfJrIQghAaLObB8MFb5K7S-RQ6S-qPg8JBU_D6X6NOudcZoj4S2BL5GNJA-bVM-nCJAQGUpc1Xr92Hoq399cBsrI_XCH0ZXYEZYtfiBjvHRHchMga95IkLWT_ACc2iXpWqmXvrsvI68Hozvgdda2iT4N_xRDwbwVoPuw4VPupWdfuncqiQna7f9GzqC_rg (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: 38d4ebe0136a47706f86 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)