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difference() Function


difference( array1, array2 )

Returns the values in array1 and not in array2.


Keyword Type Description


Any Type Array

Initial array of values.


Any Type Array

Array of values to remove from array1.


Any Type Array

Usage considerations

If all values are removed from array1, an empty list is returned.


difference({1, 2, 3, 4}, {3, 4}) returns 1, 2

Feature compatibility

The table below lists this function's compatibility with various features in Appian.
Feature Compatibility Note
Portals Compatible
Offline Mobile Compatible
Sync-Time Custom Record Fields Compatible

Can be used to create a custom record field that only evaluates at sync time.

Real-Time Custom Record Fields Incompatible

Custom record fields that evaluate in real time must be configured using one or more Custom Field functions.

Process Reports Compatible
Process Events Compatible

difference() Function