{{tag>Index Programmers_Reference Methods IExecutionEngine_Interface UpdateEntity}}
====updateEntity (IProcess, IEntity, String [], Object [], ChangedReference [])====
<code java>public void updateEntity (IProcessparent, IEntity entity, String [] changedAttributes, Object [] oldValues, ChangedReference [] changedRefs)
throws ServerTimeOutException, AccessDeniedException, ExecutionException;</code>

This method updates the instance of the business object in the database. If there are any rules associated with the business object they are executed.
===Parameters===
|''entity''|an instance of the business object to write to the database|
|''changedAttributes''|an array of the attribute names of the business object that have been changed (null if unknown).|
|''oldValues''|an array of the old values of the changed attributes  (null if unknown). Must be of the same size as the changedAttributes parameter|
|''changedRefs''|should be null|