In iMessages I can't able to get #images option to find images and video to send through iMessages. Please help me on this issue.

EEvery one getting the option like #images to search images and videos from on screen (messages keyboard area) but I'm not getting this option. previously I wan in beta versio, even That time I didn't get this one and I reported in feedback app also. I didn't get any response until now. Now I'm in official iOS 10.0.1 even now also I'm not getting this. Please help me to solve the issue and how to add the #images option. Thank you .