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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4903/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: 12345 (required, client identifier valid at the Platform)

scope: openid (required, must contain the openid scope value)

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IlQ4dHN4VjRiQnkteXl4WDhPaEJ0ZkQxMXB0bVc2dWVHWGN6VXRXc3kxeFUiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0OTAzLCJzdGF0ZV9ub25jZSI6IjZlZDg0OTViZTY4Y2Q5ODgxZGZhIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0OTAzIn0sImlzcyI6Im5ld3Rlc3R0b29sIiwic3ViIjoiMTIzNDUiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy80OTk3L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3Nzk5Mzk5ODgsImV4cCI6MTc3OTk0MDI4OCwianRpIjoiMjE1OGU4N2MwNTVkNmJkYjc3Y2UifQ.gmG7Y-wv5RE8wZMZbVrVzwRKzWECvKSUVeBMpgjDlZlEGTfkmV_4wlrwDDCsAViM-XABYz6krsL7lTb11fTpouMrxCMh1Cy19KzlFCtb5goTOpp4SXCHOB6qfjxpMz6mDzG6yUcYXP6g8P34EyI6rzaC_cD3xFYdvV8ZZuIdMeAZl7xBo4wuGdCbiVZhQRLRoyNmT_BsxT_0VuVa1YHptVlPRy-DJlqGZTJf13J9dyRQlgwIqbEPGj_A1y4pgsDzeA9QorOLh7bOFEafkyHcu8Q1dD2_O7IBsDi1mRppYpN1G21gBSPiGPVPozx89hcCDCjCygvhoTwlRQ3IqeGMig (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: 6ed8495be68cd9881dfa (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)