In today's enterprise infrastructure, system and application integration is more and more frequently a mission critical concern. There are number of Enterprise Service Bus (ESB) products available in the market today. These products can help you remove basic dependencies between applications by eliminating the need for one application to be aware of the other's location, but connectivity is not the only issue. In reality, most systems do not speak same language so Data transformation is one of the most important topic in Integration space. Data transformation is the process of converting data or information from one format to another, usually from the format of a source system into the required format of a new destination system. MuleSoft has developed " DataWeave " - a new language and module for querying and transforming data. DataWeave is a full-featured and fully native framework for querying and transforming data on Anypoint Platform. Fully integrated with t