According to the SAP S/4HANA Cloud, public edition Learning Journey1, some responsibilities of a Customer Center of Expertise (CCOE) are: serve as a central contact for SAP and manage interactions with the SAP Service Center; ensure the resources necessary for the project's success are available; determine KPIs that will support a continuous improvement mindset. A CCOE is a customer organization that is responsible for managing and optimizing the SAP S/4HANA Cloud solution and ensuring its alignment with the business goals and needs. A CCOE acts as a single point of contact for SAP and coordinates all communication and service requests with the SAP Service Center. A CCOE also ensures that all relevant stakeholders and resources are involved and committed to the project's success. A CCOE also defines and monitors key performance indicators (KPIs) that measure the value and quality of the SAP S/4HANA Cloud solution.