Investigate Photo Invite method
samjudson opened this issue · comments
A user on the forums has discovered an undocumented method for inviting a photo to a group:
https://www.flickr.com/groups/api/discuss/72157681417002502/#comment72157682803301370
flickr.groups.invite.photo.invite(group_id=xx, photo_id=xx)
Investigate this method and see if it is reliable.