The properties of the Catch element are defined in the Properties window. You can also right-click the element on the diagram and choose Properties.
The available properties are:
Fault Name — Selects the qname of the fault from the list of faults, which contains faults defined in the WSDL files. You can also specify a new user-defined fault in a fault handler or in a throw.
Fault Variable Name — Specifies the name of a variable. The Catch is the receiver of the fault. The fault is produced by either a throw, a partner, or system. The fault variable puts the message's data into the fault. This variable is created and initialized in the Catch.
Fault Variable Type — Specify the type of the variable. The type can be either Message (WSDL) or Global Element (XSD).