You can edit a general task or a linked task...
To edit a general task:
Mobile - Tap More from the channels tab then select Tasks
Desktop - Find the Tasks page via the channel tab
Select a Task from the following options
Tap Edit in the top right corner (mobile) or the middle of screen (desktop)
Then select Save in the top right corner (mobile) or bottom right corner (desktop)
Mobile
Desktop
To edit a linked task - using incidents as example:
Mobile - Select Incidents from More via the channels tab
Desktop - Find the Incidents page from the channels tab
Choose a Incident from the options available
Scroll further till you see all the listed Tasks
Select a Task from the list
Tap Edit in the top right corner (mobile) or the middle of screen (desktop)
Then select Save in the top right corner (mobile) or bottom right corner (desktop)
Continue these steps when editing tasks connected to Hazards, Documents and Blerts
Mobile
Desktop
To change the status of a task...
Select a Task
Click on Status
Change as appropriate
Mobile
Desktop