The figure shows a screenshot of the Expression Builder dialog.

The Expression box contains the following line:

string(bpws:getVariableData('requiresApproval'))='true'

The BPEL Variables box contains the following tree hierarchy:

• Variables > inputVariable (not expanded)

• Variables > outputVariable (not expanded)

• Variables > customerServiceResponse (not expanded)

• Variables > OrderBookingFault (not expanded)

• Variables > requiresApproval (not expanded). This item is selected.

In the Functions section, the dropdown shows BPEL Extension Functions, and getVariableData is selected.

The Content Preview box contains:

bpws:getVariableData('requiresApproval')