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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4868/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: client_id_123456789 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Il9pMDVheElFY0VBS2NtLUFodF9pLUZPTkZ3VEtoVzFIZVBvZTQwbVNvd0kiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0ODY4LCJzdGF0ZV9ub25jZSI6ImNkY2I4ZWRkYjQ0YzMzZTdkMjNlIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0ODY4In0sImlzcyI6Img1cFRlc3RMeWwiLCJzdWIiOiJjbGllbnRfaWRfMTIzNDU2Nzg5IiwiYXVkIjoiaHR0cHM6Ly9sdGktcmkuaW1zZ2xvYmFsLm9yZy9wbGF0Zm9ybXMvNDk1OS9hY2Nlc3NfdG9rZW5zIiwiaWF0IjoxNzY4NzE2ODc1LCJleHAiOjE3Njg3MTcxNzUsImp0aSI6IjFkMDFmMjEwZDIxYWM4NjYwNjhmIn0.H8dqMqubf9wNGjxds5b5NexqyOApPqw5pUlr9av_pL3rZXW8W8015h2xkmCBqn499ds88yt5W2LtrsfwYxy3Q7QjGxVKvING6XcBvv7A8ooonB_pJvtIq4MTrTd5SUcNf8tpUlgqXkctTlZ-Pb4uuU9P5hSREQ2DW6SBAZD9X8FfG632VshCORVkdn-03yIZxm6Y2wWylR0P11vL_fP8fgnGB-ZLyBd2O6DUV-dDbQp5VNv1bkHKxlufv0l9R5KpbtwZNWwNawPBsqfxFkISDTqzpDpzbzySvQjg5E-x9FXwGI2VYy6wz8e5tVRzyxg2beiMoQuLN-9DZxmibr-Bag (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: cdcb8eddb44c33e7d23e (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)