Instructors can use Reactions and Sounds to provide immediate feedback to your class. Instructors as well as learners can use the Reactions and Sounds to provide feedback.
Click the Add Reaction button (happy face icon) at the bottom of the screen to open the Reactions and Sounds.
Reactions
When to use: When you want to give non-verbal feedback to your class.
When you use a reaction, learners can see the reaction in the upper right corner of your video feed.By default, reactions are anonymous to learners. 
When anonymous, learners will see only the reactions float to the top of the screen. Instructors can change the settings to allow learners to see other learners' reactions. When you use a reaction, learners can see the reaction in the upper right corner of your video feed.
When anonymous, learners will see only the reactions float to the top of the screen. Instructors can change the settings to allow learners to see other learners' reactions. When you use a reaction, learners can see the reaction in the upper right corner of your video feed.If you are concerned about disruptions and distractions, instructors and TAs can use the toggle to disable the Emoji reactions. When emojis are disabled, the toggle is grayed out.
Sounds
When to use: When you want to provide feedback or bring some comic relief to the class.
If you are concerned about disruptions and distractions, instructors and TAs can use the toggle to disable the Sounds.
Need more help? Contact Support.