# Package org.apache.ode.bpel.evar

- Interface Summary
  Interface | Description
  --- | ---
  ExternalVariableModule | Representation of an external source for variable data.

- Class Summary
  Class | Description
  --- | ---
  ExternalVariableModule.Locator | Structure used to identify an external variable to the external variable subsystem.
  ExternalVariableModule.Value | Data structure used to report the value of the variable to the BPEL engine from the external sub system.

- Exception Summary
  Exception | Description
  --- | ---
  ExternalVariableModuleException | Exception thrown by external variable engines.
  IncompleteKeyException | Exception used to indicate that an attempt was made to access a variable using an incomplete key.