Function

difference( array1, array2 )

Returns the values in array1 and not in array2.

Parameters

Keyword	Type	Description
array1	Any Type Array	Initial array of values.
array2	Any Type Array	Array of values to remove from array1.

Returns

Any Type Array

Usage considerations

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

Examples

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