The complaint processing has been developed to provide a single system through which complaints about service and administration action can be dealt with where possible internally and to comply with the requirements for general complaints. A flowchart is a graphical representation of an algorithm. Front-end or back-end developers often use algorithm flowcharts as a program-planning tool to solve a problem. Complaint Processing Flowchart diagram shows the entire process when a complaint is filed from the consumer or customer’s end and how the entire sales or marketing team resolves the issue.