You can add macro badges to video.

To do so:

1. Go to Live Video mode for the relevant camera (see Viewing live video in the iOS mobile client).

2. Call the macro menu by clicking the  button.

3. Tap on a macro and hold your finger until the macro icon appears on the video.
   

Addition of the macro to the video is now complete.

You can drag the macro badge around the screen. Tap the badge and drag it to the desired location.

To remove the macro icon, click the  button when moving the icon.