The BPEL menu contains the following functions:
Do XSL Transform: This is an XPath extension function defined in WS-BPEL specification. It can be used in a BPEL Assign activity to call an XSLT transformation.
Get Variable Property: Provides the property of the variable.
Wrap with Service Reference: This is a special case of Do XSL Transform function used to transform data into Service
Do Marshal: Performs serialization of an object.
Do UnMarshal : Performs deserialization of an object.
GUID: Provides the GUID Name.
Get BP ID: Gets the Business Process Identification.
XML Literal: Specifies an XML literal.
Java: Specifies a Java method. The Java option allows you to call the classes and methods of your project JAR files and those of the projects Referenced Resources. When you select the Java option, the Choose Method dialog box appears listing the methods that you can call from BPEL.