Select the required option from the Expiry drop-down
list:
Global Expiry Setting - Select this option to set the task
expiry based on a global setting. Global setting can be set from the
backend.
Never Expire - Select this option if the task should not
expire.
Expire After - Select this option if you want to set the
task expiry after some days and/or hours.
Dynamic Value – Select this option if you want the user
assigned to the task to set the task expiry date and time dynamically.
This value needs to be entered into the code.
If Expiry is selected as Expire
After, enter the number of days and/or hours after which the
task must expire.