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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4868/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: client_id_123456789 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Il9pMDVheElFY0VBS2NtLUFodF9pLUZPTkZ3VEtoVzFIZVBvZTQwbVNvd0kiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0ODY4LCJzdGF0ZV9ub25jZSI6ImExMWU1NzFmNjBiNjJkZDA0NGIwIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0ODY4In0sImlzcyI6Img1cFRlc3RMeWwiLCJzdWIiOiJjbGllbnRfaWRfMTIzNDU2Nzg5IiwiYXVkIjoiaHR0cHM6Ly9sdGktcmkuaW1zZ2xvYmFsLm9yZy9wbGF0Zm9ybXMvNDk1OS9hY2Nlc3NfdG9rZW5zIiwiaWF0IjoxNzkyMzc0MTMyLCJleHAiOjE3OTIzNzQ0MzIsImp0aSI6Ijc3MmM2M2UxMDljODJlOTY3ZTk3In0.Z4iHi8TVJQ1zSZfnCmL_ZY2ihsCkbc9B36CPvQv6qtRvRfx2lxOL-oRxX1qzDc_luYYGnALoINeIN0n_t2UmBldt5moe2NylIhDdnWDtwoyRl81R2LSUbAqYL82YndiTajfb1qsY8I96ZxUCThrwDwmjlwfFzlrYFNck4EmAQTBxODIqIRVurK8cYU1exA1OgSLWtNn5g2-As1VpSqiJAh2m56eX0OalPSmJmAXjlZT4D02vpcMDkJBL8zuhVmb813prxFp1xYqW3MlD0DRmqJjIjs1dCSkuf1pvqLjkNzkDW4DIYxpj6ugiCR1Or2xzXd4SXewO9WkaYG6wcx3_Ng (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: a11e571f60b62dd044b0 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)