A system and method for integrating data from a source application to a target application includes an interface module incorporating a publisher for publishing extracted data in an XML message and a subscriber for uncompressing the XML message. The CW may be adapted to be collapsedfolded and expandedunfolded in a series of simple steps, executable with one hand, by a person in a seated position, allowing for independent use even by a user with limited physical capabilities. The module includes a light source thermally coupled to the module housing, a control circuit for controlling the light source, an electrical switch actuatable from exterior the module and supported by the switch housing, and at least one contact.