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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/1821/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IkNYUGpOdVlDVjVwWXFKUmpaU2FURzNyQzlZUjEzcV9tOVRTSHlwTXNKQTAiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoxODIxLCJzdGF0ZV9ub25jZSI6IjFiYTk0NDFjZGYxZDUxYmMyODQ4IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIxODIxIn0sImlzcyI6IkxhbGFuZGUgT3B0aW1pemVyIiwic3ViIjoiMTIzNDUiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy8xOTcwL2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3ODYzMjU4MjIsImV4cCI6MTc4NjMyNjEyMiwianRpIjoiOTQ1YmJmNzBiNGQ0ZGUxZDZiYjEifQ.Pn224t6ggep-P83_4NvS4PWpr93glltfLbjhKE0_yOg9ulsTF6STh3jv0LzHIckNRCy2hw145Ush5dSe8Ui2aHaySznkllZaPx0VtaJWKy3302NjYsnInMR5G6hGWy1TQTW2gd_fpRPrriMRKGpMoYyghJnEHABoghf9w7LKKQW5w3PAeLfXD_f-PSrNWNqHj-sHFOV36Bc_0fa1SmAFHClIoUYlgMrJyfcywH-m4VhI-qccXto9mU6bC4a0X5Ufo3O1x8Es7OxHdLJS2aAlw7nHO0SZYEMTnyEGck9sDjLAcLFEP-h3-x3MoFJXNxzT59pbUBT4hm-vQN4CgcN5mg (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: 1ba9441cdf1d51bc2848 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)