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XML Syntax

The following table lists XML symbols and their meaning for Business Process Execution Language (BPEL) XML syntax. The symbols indicate the allowable code according to the BPEL schema.

Symbol	Meaning	Example
+	One or more of this element is allowed	<correlation set="ncname" initiate="yes\|no"?>+
?	Zero or one element is allowed	abstractProcess="yes\|no"?
*	Zero or many of this element is allowed	<onAlarm (for=duration-expr \| until="deadline-expr")>*