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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4874/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImtrZk9XemRqMnJUTTNObWRoXzhvMmJaLU51YlV2X19VTERMaTNncTlNXzQiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0ODc0LCJzdGF0ZV9ub25jZSI6IjE1MDUyMWNhN2MzMGVkZmY3NmYxIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0ODc0In0sImlzcyI6IndhbGRvc3JhbmdldG9vbCIsInN1YiI6IjEyMzQ1Njc4OSIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzQ5NjMvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc4MjQ1MTk1MSwiZXhwIjoxNzgyNDUyMjUxLCJqdGkiOiIzNzFiMWE1Y2ZjOWFmZGE0NDRlOSJ9.cFsHoeYpYsu2bFBsifFrkHTTr0oDO1lcYCs-npEAHvjQwt3VcCi5yIxZw0ZVyQ0jTHVTlGi5kH1QwmhyNhkb6AX4zWpwdPAlCBBWgBkEvg_8tfENQhlEJxvgmqZoCZ_L1MLP8APlw83B6krN-cf6Si87x7WQhhpWYW9Zvzqvx7-04MYWqyAz43jf3JxAKB2nE6q2tOcGIliLt5KWa92ibdkhFc3DCgKMZRBg286vws9XL8SWS1tEJNuMctJPyZXw10BRHkjPax1ERKfWeEWjdq5Wcr-SHpHFBmit2lqlhb4L09opU2zLeXGI6KTAy7Hla97AF7xs6nYvn3gA2z9W_A (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: 150521ca7c30edff76f1 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)