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.eyJ0b29sX2lkIjo0NDMxLCJzdGF0ZV9ub25jZSI6IjA5ODEwMTk5NWMzNWU1ZmM0YTliIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0NDMxIn0sImlzcyI6ImhlbGxvdG9vbDEyMyIsInN1YiI6InRvb2wxMjMiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy80NTE4L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3OTIwNjA3MTEsImV4cCI6MTc5MjA2MTAxMSwianRpIjoiYzhmMzg3YmE2ZTc4M2NmYzhiNWUifQ.SJLeynkmgvfw-eysaUqNx5purzhgn4fMAnCJwJlMi1druugHTdYq07jMSmvB_6QVfMw4eV1JFHJqBQ_5S8aDy5xNv7yT6fuHPyPopFtFtyayx3QA2X9eoPN0dxdm7BdToUzv9KIl8RGNMfdCy_ZUAKVlvAlC2MpWq-uL4oS_icUYYiBnOAEz-QAVkTmJgFVphPq9RcwaeuZAslcgcORD9LbxzFjluWnGIR7-X6CO7azd1T2BugQixVCf48Y8wFW5yI8M-X9s6XpkLDLWGDoVhEsUtqE72coEgKizZt2TGM7aTIECXwJvOnwUzIP_cYekwWuMNIELSo0ctNsCs3uSsw (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: 098101995c35e5fc4a9b (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)