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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/3157/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImNfRE9kSFVPMFYxb2NnMTZwdDFyWjU4Wk85eVJRSkxjV1VsbkVncGVzaWsiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjozMTU3LCJzdGF0ZV9ub25jZSI6Ijc4YmU4YTY3MTk4MWFiMjk1N2NmIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIzMTU3In0sImlzcyI6Im5hbXRlc3QiLCJzdWIiOiIxMjM0NSIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzM1MjUvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc3NDkzMjM1OCwiZXhwIjoxNzc0OTMyNjU4LCJqdGkiOiJhZjM3YzA4MTQ3Y2RhZGZlOTcwYSJ9.tmyyjR1vOeEsD_pC4uL8Ek6ZoM4tJ6LD23MjURAhtO5Pr5RU15meWG5_IB2B8pRojmAkA6RXy8vodDz4Fg7KIml5EITP9zRbymjWSEl9YBQ6Nl9prvW0svreFHydflghitj0drpyyFDVwKCyL_NRPh3zput6MwIZ02XUrCCJhjWNeVE4xKvtyHYQjb4qkVoeGtpBQ-HlRt006cWbp88CbgODnc7uqO1vDIX5CvRTNdRVOVCTF8FbeMQlumLa6B-CDZoJuc808_m-_HT3uvUWPE5r9Yp3-ry-Qy1yrELBkCaW84gfHwV9Q9m-q23nit7BlhbY_ID9BlIoZgpo0WCbUQ (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: 78be8a671981ab2957cf (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)