user_image for desire2learn LTI provider -

i creating lti tool, not see user_image parameter being passed desire2learn/brightspace.

how can retrieve this?

brightspace not pass optional parameter in lti launches. can, however, use brightspace apis retrieve current, launching user's profile image. (one subtle point there, though: retrieving user's profile image requires (authorized) api call, can store api call retrieve url, however, you'll need wrap auth tokens when calling it.)

d2l's reference topic on remote plugin service contains extended example showing how simple tool provider can use brightspace apis in conjunction lti launch