@attacher.setter<EOL><INDENT>def attacher(self, attacher):<DEDENT>
if attacher is None:<EOL><INDENT>raise ValueError("<STR_LIT>")<EOL><DEDENT>self._attacher = attacher<EOL>
Sets the attacher of this V1alpha1VolumeAttachmentSpec.
Attacher indicates the name of the volume driver that MUST handle this request. This is the name returned by GetPluginName().

:param attacher: The attacher of this V1alpha1VolumeAttachmentSpec.
:type: str