@file_content.setter<EOL><INDENT>def file_content(self, value):<DEDENT>
if isinstance(value, FileContent):<EOL><INDENT>self._file_content = value<EOL><DEDENT>else:<EOL><INDENT>self._file_content = FileContent(value)<EOL><DEDENT>
The Base64 encoded content of the attachment

        :param value: The Base64 encoded content of the attachment
        :type value: FileContent, string