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
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.eyJ0b29sX2lkIjoyMjU3LCJzdGF0ZV9ub25jZSI6IjVmYzBiNmM1NmI3NTM5YjU4N2I0IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyMjU3In0sImlzcyI6Ik5hbWUgb2YgdG9vbCIsInN1YiI6IjEyMzQ1Njc4OSIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzI1MTQvYWNjZXNzX3Rva2VucyIsImlhdCI6MTcyNjg4MTk0NSwiZXhwIjoxNzI2ODgyMjQ1LCJqdGkiOiI2YTBmNTZkMDEyYzYyMGU0MDE5ZiJ9.G45tbwr6MoD8qcTGA67tjIrfkmQGD0bzgwbisi3-PDcVIVwrVZP3MxRLPQhOnZYeARTKKGvXPP0beFWLVqoR8zLjZMqJ1bSlF4IPgE1VBnn7Qodm9uaGuo7H-tiHR5zX1ZyHNkXDui_PbzaiuoJUc2ZdfaDHaUZoBnGySA53ssmvsKYPUR-XroyY2hf_kv3n9ADs30Y-p-ulxcshJsylJvDcrx-Yn7jciGrDzC-oQZZ5BySiFeEMR9RH1ovu9Zic3h2claGTpv-aNDN9EwqNAqtZ6SFOGwAcD8bT7i-1NlFJOAYrgQlF2ra5A__QqCLXIkNWDfs-3CZcwqwRzSNh5w (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: 5fc0b6c56b7539b587b4 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)
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