The messaging model of the Apache Camel Data Model consists of three parts: header, body, and attachment. The header contains information related to the message, such as addressing, routing, or metadata. The body contains the payload or the content of the message. The attachment contains optional data that can be attached to the message, such as files or images. The Apache Camel Data Model is used by SAP Integration Suite to process messages of any format using various components and data formats. Reference: The Camel Data Model in a Nutshell | SAP Help Portal, Data Formats :: Apache Camel