Pro members can unsend messages previously sent to other members. For more details on how to unsend a message from within a conversation, please see the information provided below.
Unsend messages 
Chat text
- Tap the chat bubble and select Unsend from the context menu.
- Select OK from the confirmation menu that appears.
Photo, video, location or GIFs
- Long-press the photo, video or GIF thumbnail and select Unsend from the context menu.
- Select OK from the confirmation menu that appears.
Note
- A chat bubble will appear in place of the unsent message, indicating to the member that the message was unsent
- It is not possible to unsend the entire chat history with that member