You can capture photos and videos directly in the Messages app. You can also modify the photos and videos before you send them by editing the image, marking it up, or adding effects.
Note: Your carrier may set size limits for attachments; iPad may compress photo and video attachments when necessary.
Take a video: Tap to send the photo or video without adding a message.)
You can also send a photo or video with a iMessage (such as photos or videos) may be uploaded to Apple and encrypted so that no one but the sender and receiver can access them. To improve performance, your iPad may automatically upload attachments to Apple while you’re composing a message. If you decide not to send your message, the attachments are deleted from the server after several days.