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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4554/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: sb1234 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ilg1NkR2STFERmtpaXVNNkN1aXZxRENzV0JrUm1mTjFHUG1Uak0wMG9sUk0iLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0NTU0LCJzdGF0ZV9ub25jZSI6ImE1MTdlODZjZTgzNWU4N2E3NGQyIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0NTU0In0sImlzcyI6InNiX2x0aV90ZXN0X3Rvb2wiLCJzdWIiOiJzYjEyMzQiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy80NjI2L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3NjU4NDMzNDQsImV4cCI6MTc2NTg0MzY0NCwianRpIjoiM2E4MzI0YzJlMDQ2NTcwM2M3YTEifQ.46Oln2ihwKEutlzA8GdoakTQMnGtOl5pvT7wyaeH1DsR_zVv-QgvSsnOrT059rORj2NEle-9jrbi3ZxEGLa5YkliKdKiIjsLhQT9ZcBlFNwxd4lRN21f_QTPMirA4dX-Y5sZGR4LWHONIeWSQyUGjocRzA8WUgU1u3ovoM_kGvgSy-RZFaJG81zlZ6J4pfp6lYuQxFqh4EealK8HroKsnd7Nwh-15mGd7cSoA1TiOYHa5DoXIGb5zpdY3R5Frs4K-TePWgqCozPtnW_6fMWjUhzPyxGzTy-U5fgVY7fl2tzD8J_R6t60_lutyytzy34LS0jsCLCd7_me3vPGDi7QGQ (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: a517e86ce835e87a74d2 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)