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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/2257/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: 123456789 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImMzQjZyZ1FrSGxET3h1amhON3V6LVZSWjh2Tm1sODJCSGVuWEl1WkREaUUiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoyMjU3LCJzdGF0ZV9ub25jZSI6ImY3ODUyYzY5ZWIxYzM5NTY0N2U5IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyMjU3In0sImlzcyI6Ik5hbWUgb2YgdG9vbCIsInN1YiI6IjEyMzQ1Njc4OSIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzI1MTQvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc2NTg5MzI4OCwiZXhwIjoxNzY1ODkzNTg4LCJqdGkiOiI5OTgyYjljYTgxYmE5Mzk3ODY4OSJ9.FATiY1dHm0oSdaL1DB0vOeRIFpz6sL8iSGNgeuLTM_ht5GwV54XBtl63Q8jzp4w_OSxZUIwneZzEbsGXB02C0G793nwiVrg85vljIeh2HRWjSDDvOc5pjahNVEzQZx2S424O7wbj5bpv5tyUrmLfObt0Fq_x4FCtl6FS6RCJkgZ2H5icasDw6QIYw1cw39kyVrWcoeWfwH9Hxiuukhe-8SSSM8fBiqUenpSgmDz6H1gu3HOOixfKLrY2moOprPa1JHlNTBJ45tVEJFZgxSMaN5VQtNgwQcG4InAC4xZbzUClnAy-SrnaJKdyPsxgY9l0Gd8OHtD_F5SNA0CfPu-mnw (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: f7852c69eb1c395647e9 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)