A standard MIME type describing the format of the contents. The same MIME type has to be set in the header when uploading the content. If not specified, the MIME type is 'binary/octet-stream' by default.
publicstringContentType
리턴
string
Key 공개적으로 프로퍼티
Key of the content item to upload, usually formatted as a path, e.g. images/a.png