You can start a chat with all the volunteers on your team. This will email everyone on the team who has a login or account. You can also start a chat with an individual, or select people on your team. This creates a new conversation where you can chat and see replies.
In the top-left corner, click your site name then Connect. Then click Serving.
Click the name of your team, then click the News tab.
Click Send Communication.
Click Start a Chat.
To select certain individuals to message, click Message Specific People, then remove people you don't want to include.
Enter a message.
If you want to add an image, click and select the image.
Click Send.
Note:
The Message Specific People option is only available to teams with 100 members or less.
and select the image.