You can install a custom XPath function in TIBCO Business Studio.
Procedure
To create a feature project specify the plug-in to package into the new feature.
See Supplemental
Eclipse Help > Plug-in Development Environment Guide > Reference > Wizards and Dialogs > New Project Creation Wizards for more information.
Export the feature project
Make sure you select the check box for the
Generate metadata repository option.
See Supplemental
Eclipse Help > Plug-in Development Environment Guide > Reference > Wizards and Dialogs > Export Wizards > Export Feature for more information.
Install the feature using
Help > Install New Software.
Specify the location where you exported the feature project. Unselect the check box for the Group items by category option which will then list the feature project.
Result
The custom XPath function is ready for use and can be accessed from the Input path of the data transform function.