You can set notification settings per conversation.

Everything: You will get all notifications (including calls and mentions).

Mentions and replies: You will only receive a notification when you are mentioned or if someone replied to one of your messages.

Nothing: You won't get any notifications for this conversation. 

On desktop:

Inside the conversation:

1. Click the conversation name at the top.

2. Click Notifications.

3. Select your preferred notification setting from the list: 

• Everything
• Mentions and replies
• Nothing

OR

In the conversation list:

1. Click on the the arrow next to the name of the conversation and the drop-down menu opens.

2. Click Notifications.

3. Select your preferred notification setting from the list: 

• Everything
• Mentions and replies
• Nothing

On mobile:

Inside the conversation:

1. Tap the conversation name at the top.

2. Tap    at the bottom right.

3. Tap Notifications.

4. Select your preferred notification setting from the list: 

• Everything
• Only mentions
• Nothing

OR

In the conversation list:

1. Swipe right on the conversation name.

2. Tap Notifications.

3. Select your preferred notification setting from the list: 

• Everything
• Only mentions
• Nothing