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.eyJ0b29sX2lkIjoyMjU3LCJzdGF0ZV9ub25jZSI6ImQ4ZjMxYTZjMTFhNDAwMTMzYzExIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyMjU3In0sImlzcyI6Ik5hbWUgb2YgdG9vbCIsInN1YiI6IjEyMzQ1Njc4OSIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzI1MTQvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc4MjQ3MzU1OCwiZXhwIjoxNzgyNDczODU4LCJqdGkiOiJmODEyN2JkZGQyMGUxOGQ3MjE0YiJ9.KCFh-_RhSoqV837uIbSGd2rb_PRVCQK6nXIWT9h_dGJ_T6ePXqCz1UQpT5_aBj-dXK4JfLjWKVg670odHzj8xhfhNtn2h187Sk-mdMP3H5M1eAnLTeA2cpBHKIYge2GiU1xJjgUWbpjFJ-WnLJjRG3Q_WHutokhc2ktrEinLa7sZi7z0FsxRBMS8_kSb3A7JYWZstvhyTvx8d1FaY1OY_i7VDerUsdU7PyUf1q1pVTa7xJktnlrDz0abaIy2ukUN7QxfBVgpgbiK1_y3ME-HEXHUpcTO6J5NxFsC9pi_z1AOCDHN_rDORQnU2A0qM2BWkRiPg8jw1YV-KOWdceKxJg (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: d8f31a6c11a400133c11 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)