MULTI-COMPILE attribute Specifies whether ABL compiles all class definition files in the inherited class hierarchy or only those class definition files for which a cached version is not found. Note: This attribute is applicable only when compiling class definition (.cls) files. Data type: LOGICAL Access: Readable/Writeable Applies to: COMPILER system handle When set to TRUE, ABL compiles only those class definition files in the inherited class hierarchy that are not found in the cache. ABL also caches any classes or interfaces it compiles to avoid recompiling them during the session. When set to FALSE, ABL compiles all class definition files in the inherited class hierarchy. ABL also clears the cache of any classes or interfaces compiled during the session. The default value is FALSE.