response_type: id_token (required, the tool must use a value of id_token)
redirect_uri:
https://lti-ri.imsglobal.org/lti/tools/1821/launches
response_mode: form_post (required, tools and platforms must support a value of form_post)
client_id: 12345 (required, client identifier valid at the Platform)
scope: openid (required, must contain the openid scope value)
state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IkNYUGpOdVlDVjVwWXFKUmpaU2FURzNyQzlZUjEzcV9tOVRTSHlwTXNKQTAiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoxODIxLCJzdGF0ZV9ub25jZSI6ImVkMjQxODhkZjg2NTI2ODI1MjljIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIxODIxIn0sImlzcyI6IkxhbGFuZGUgT3B0aW1pemVyIiwic3ViIjoiMTIzNDUiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy8xOTcwL2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3ODYzMzM4NzIsImV4cCI6MTc4NjMzNDE3MiwianRpIjoiMWRlNDUzMTAwZDg1NzgxZDRhNzkifQ.LdG8b8yfiCf-61j1XOjuOyTRmp1TM7dwKW9UlYUtoPxTBjDlLP98jPURwWliO9vzZBx4BCbqNfNpKqG-xwLdX2PJmOn8UUJ73MJ6_MYxoNgMzcpdL4bNIKU5MPSgdryupSh3kbjaKTvs-0iGdtQo1AOVAS_zInDA6e7RYdSgtaIBC32VOIQOQ6LwMmnJId_oU9ISn0d15k4GDG_5RDfs4F0Bo-gmTR-8Gy60c3fTjXlt1CI-BthuSgSI9QoT6BIDPY-LZ6N0o6kwNM9a7g2bnNAZ5GceF9GfCcnzNUr-trI4yRkmzAlxsE2YH-YrO4Cy12UPRtdHZFGwU3OW6wdTAg (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: ed24188df8652682529c (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)
Send GET Request