Value

Meaning

Inquiry Only

Simple one-pass inquiry through all screens

Add New Data

At least one screen has data entry (new data).  If there is a drilldown screen as part of navigation, multiple calls will be defined to accomodate the select action into the drilldown list.

Edit Existing Data

At least one screen has data update/edit, requiring more than one call to complete.  Any time you have at least one screen that needs to be read, then written with modified values, use this setting.

Defining a Task with this TaskIOType provides the most versatility when modeling a task that may require extensive enhancements, as the data write methods are generated along with the read methods.