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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/1991/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6InRZQVlDbVFyWWRJaDdPVjdJQVI0Qml3YUJQNDBsX3gxazlYSDNoRTdOcFEiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoxOTkxLCJzdGF0ZV9ub25jZSI6ImZmNjdjNjMwYWNmMTM1Nzc1MmU2IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIxOTkxIn0sImlzcyI6IkRLVG9vbFRlc3QiLCJzdWIiOiIxMjM0NSIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzIyMzEvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc3OTY5MTE1NiwiZXhwIjoxNzc5NjkxNDU2LCJqdGkiOiJlNGQ5YmY3MGI2NTE2YTc4NTAwZiJ9.aDAnDNJaMMBIErFf-z-xyALzSFcKM0pe5xoD28hcso0zTixeie901ITEcEkSts3IZlGwVYiOZJx-0mr32H48T11ybInKVzPIxAkzIl2GIDkSitTwVJx3_M_vFKc77UDjFe_UlfFqrgNzS-mvuLlp1tfbrq3-t6w5F3JXZ5DiR0Bv3Codp606zfXkm1FDT3Ap7pHeET2yf0r7ZnxcTsmnhMiXDPodidSYtt8y9i_Ej6Hj8p2s6bzZfqiAmX3VQUrcS45ER4cz5yfotIWNZHhzLaxsY0xhMI96pYlCE-5sygqT4GRpaf5-Cnu3bqynug7xnkPm4A7RUJc2YDJ6R8yGOg (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: ff67c630acf1357752e6 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)