As services and technology involving digital humans continue to advance, demands of digital human customization arise from use cases of various digital human communication services. To satisfy the demands, the Recommendation specifies a framework for customizing digital humans, by creating and controlling digital humans to fit the needs of service users. Since digital humans share the similar characteristics as real humans, digital human features are described in the basis of human characteristics. Modules in the framework, including extractors and generators, utilize the digital human features as outputs and inputs, respectively.