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.eyJ0b29sX2lkIjoyMjU3LCJzdGF0ZV9ub25jZSI6IjFlYmFhMWRiOTM4YTBkMTljYmM0IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyMjU3In0sImlzcyI6Ik5hbWUgb2YgdG9vbCIsInN1YiI6IjEyMzQ1Njc4OSIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzI1MTQvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc3NjM2Nzg0MCwiZXhwIjoxNzc2MzY4MTQwLCJqdGkiOiI0YjI4NjZkN2NiZWFhZDBmODIyMiJ9.LVxpgny25eZBAc2evizE6ubaoq7vNeNzwdNQLZjGHOCAnyMb19uRkJa9Kl5sNzzlGrUN960W7EHPd2JWWEa0MJA5aOctD-PSvpfkxxiMrtsSAreNh2MoPXrshQP66t4hB3O70TKAaCNeQm2arg6st-b0YZcv2Jo3NA1s5wYMn40h3qwn5LkosqROSJYPS-Mkw83kDcOi7lxu62keLnFTOurMNXsisiqWtMjD0Aiywcq_taFs0n0f908t4ai_HgjQYfBg53DfmgId4SwczUvCeiZzJPG0lCPfoMuocXOgCRj1_R_k40uAOaA1WXPzc9jgxqX64WvBLdoCy9nOc4NNyg (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: 1ebaa1db938a0d19cbc4 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)