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Function "In"

In(element, set)

Function: Checks if the given "element" is contained in the given "set". Returns "true" if the element is found in the set, or "false" if not.

Note: If this function is used with a multi select field from a subscriber list as the set argument, then it can only be used in the message content itself and not on a landing page, because multi select merge fields are not supported on landing pages.

Return-Type: Boolean

Arguments:
element - Type Number or Text: The element to look for.
set - Type Number Set or Text Set: The set to search in.

Examples:
In("value", &MULTI_SELECT_FIELD;)