Kent Beck, the project leader will find using the WBS to make complex projects more manageable as it is designed to help break down projects into manageable chunks that can be valued and supervised effectively. Creating a WBS includes numerous benefits. For example, it can help provide accurate project company assistance, helps assign responsibilities, shows control points, project milestones and enables more accurate estimation of the triple constraint (cost, risk and time), thus helping to explain the scope of the project stakeholders. The work breakdown structure can be used in XP because XP is more focused on planning in building the work breakdown structure. Higher WBS levels than traditional management. The WBS on XP focuses on the function to be performed with respect to the sharing of tasks while respecting the responsibilities of the roles in the project. Additionally, WBS in XP also runs acceptance tests that are always up-to-date, level by level down to the details, rather than planning everything on the fly.