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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/3539/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: cgp1234 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IllITzE2SkxjaldxLWVIbTN5eEozQ3d4eWxhUDhMeEJHZE00N0NjTjJYZk0iLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjozNTM5LCJzdGF0ZV9ub25jZSI6ImI2NzkzMTA2MWE1MTlmYTI4NDk2IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIzNTM5In0sImlzcyI6IkNHUFRlc3RUb29sIiwic3ViIjoiY2dwMTIzNCIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzM5MTgvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc4MjQ3MzQ4NiwiZXhwIjoxNzgyNDczNzg2LCJqdGkiOiIyNWM3Mjg5MDk4OGMzODk4MTBmZSJ9.fi0zoDTTR7FptUo08_V6MdDjw3YCndaKRgupQgiKTJ4xwDGfEUtLnFzAyhr0iv8O8v74Bt7-QVnq0MDH3lMCaux6AcQmmP7Sbu7E3LtXoRorWh7JRWGQt6Zjiz4d5nIujtTO8TvwT2voV-Ztru-86BS_vZS7uiM32dHs53PV6pLQN39vM9FpWDDG7xBiYba1HLQ2d-jxJk1E5WM51Rg9CpqH1pSUpEJvGDwpENUEg7zjSKNCRzCI5TJx1nllVM1fNI_enEDvSKjedvAykBDxTVL2B_IKq5ySYVTS_V8Yb8UbtwR_OWiC20HUkI353tKQHoBm5uH0_ZQ9xnrsNeVkAg (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: b67931061a519fa28496 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)