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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4021/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjF0M3ItM2tQVWhpZE12RE9YN0ZUcWJLUGx1VGcwa3VOVTg2VTd6OUdDbG8iLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0MDIxLCJzdGF0ZV9ub25jZSI6ImQ5YTRmMzMwZmIzOWNmMDU2MmFlIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0MDIxIn0sImlzcyI6IkphY2thbHMtdG9vbDEiLCJzdWIiOiIxMjM0NSIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzQyNTMvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc3OTgwMzI4MCwiZXhwIjoxNzc5ODAzNTgwLCJqdGkiOiI5NjI5YWY3ZTJmNWI3MGJmM2E1NCJ9.G5ixDC_DXOR6kJ8jBQkcxE1xm7vOK6VlgJrm1Xos7MSDjxw4dmevciRmy8Od3jki9InH6526FMkglFyk6zqCMk4LWoLPP24yaoSnDRygsZOcCa_38q292128FrjAJyWZyJw3hZeiinn9RCr_ffozJd0QeAcbJZb3YpcOA5CAuA31GLVShrzNzfuE4e20mXsWk-U1ANFYxvhnbApmQirZgEGQNqpNa3E9CUmHFLnhoeN3ibyd2j8_qzmENny0GkUKu-L9hcQivzDddP3Ke2-w9puBZrFmQqyXHmolfrwmta7adzj_Ir3-yz5GYS0weHwnQURPheVj1IgL0HSbirqzqQ (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: d9a4f330fb39cf0562ae (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)