1. Navigate to Message via the bottom menu bar
2. Select a conversation from the conversation list
3. Tap the three-dot icon in the top right-hand corner of the app
4. Select the Tasks tab
5. If you are creating the first task in the conversation, tap the Add Task button at the center
OR
Tap the blue plus icon in the bottom right corner of the app to add a task
6. Configure the task settings as needed (see below for more info)
7. Tap the check mark at top right to add the task