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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4431/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: tool123 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ilk5RVliSUVHMlNNeVM1anV1SDVveVNLQTNrTEd1dGtuaFJDbzY0RXA2ZWMiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0NDMxLCJzdGF0ZV9ub25jZSI6ImE5YmQ5ZDkzZDdmZTEwMGExYTViIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0NDMxIn0sImlzcyI6ImhlbGxvdG9vbDEyMyIsInN1YiI6InRvb2wxMjMiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy80NTE4L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3ODUzNTAzMzUsImV4cCI6MTc4NTM1MDYzNSwianRpIjoiNWM3MGQyMWM4ZTAyY2UwMDFjZDcifQ.YhUHKJuzZCVS-iaXrGZFqu4gpz5jwrlC_RREv2_PJ0JmL64vtosfMGrd1e_v7ae7kouqgtzk10DOqoH0KVFb0a1-NW2O2O3lWJwQggQjf4g9Qkvx9dfhZhBEXfliQA5TAB8w4jOK485OSR8y2728tUE9TVYBb_LDwRI8iDJIwGXcfLxxdBG8asjgkbCqigyh5w-pGm6CpkTRBbpIAP5wajeeXN6atVeAT_vbp0s2p3gKRaXMcJTWFLwWqlo-gJHbe8koMKBP2unJ9u4NPa-3Ql-pM-x7YFc_G9eIZWzKKxcZAMUFVMBeepsn82UjQM7qCsz0KG-lT9SHnlDifvpvYg (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: a9bd9d93d7fe100a1a5b (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)