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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4417/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: 12345 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ii15QWhpUFlIZlJtLVBIeVhjcWs5alQtM2xqWEpkZ05nSXpBNmJSZWltdEkiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0NDE3LCJzdGF0ZV9ub25jZSI6IjVhMDM3OWUyMWU2NmEwYmQyYWUzIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0NDE3In0sImlzcyI6InNjb3R0ZCAyMDIzLzEwLzMxIiwic3ViIjoiMTIzNDUiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy80NTEwL2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3Nzc0NDQ3MzYsImV4cCI6MTc3NzQ0NTAzNiwianRpIjoiOTRlZmU3ZGI3MTk3OWNjMzQzNzQifQ.V-HKWMKiqBsAnQARQtLb3Bv_KilCkvL0Ux-HvWOKj6PLd_QwejElo6FU2jV-BvnhytvkuRlMD52WHTs-FTi_2amJWTfjaVmbQ_AG0HFC1-t4A0Ll61lFoHdUPhqbNOI4PoDl0I0upLEOM5DjnXJ--2wyh67TzFfpLpjatx0np-jf8Tp74wnFW_0buhOm0ELhBfRcM8A5JwW8aKV2jmLEW1FKdpE0hkQ_5qiiKHdN7RCcNLh3Ufnf72Jp-sWFEWuXuohjgGZJ7dktIVDVgHxwLlwB9muk1Vbgtw5Ap_mPhT_Ix3wdPbii3Zjgk_exYG-vyWCSfU-g86z5hmxyjXNaVg (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: 5a0379e21e66a0bd2ae3 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)