A Business Process Modeling Notation (BPMN) is a flow chart method that models the steps of a planned business process from end-to-end. BPMN is considered an important aspect of any Business Process Management to illustrate a sequence of business activities and information flows needed to complete any given task. The following BPMN diagram shows customer complaints and requests flowchart controls, diagnoses, and provides solutions. In some call complaint BPMN cases, the process of care will have to trigger an escalation to other service levels, so that conflicts and issues are managed, and flows follow without interruption or unnecessary delay. A call complaint BPMN can be used to create predefined templates at EdrawMax as it provides several libraries that would help you understand the flow of a customer’s complaint.