Transaction management has become important inWeb services composition [1]. The goal is to guarantee the consistency of the business processes to implement as Web services. This demo paper presents \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$\mathcal {CP}$\end{document}4\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$\mathcal{TWS}$\end{document} prototype that validates our approach for context-driven transactional Web services using policies [2]. In this approach, context tracks Web services, policies specify Web services’ transactional behaviors, and backward/forward adaptation strategies support Web services’ exception handling.