@field_ref.setter<EOL><INDENT>def field_ref(self, field_ref):<DEDENT>
self._field_ref = field_ref<EOL>
Sets the field_ref of this V1EnvVarSource.
Selects a field of the pod: supports metadata.name, metadata.namespace, metadata.labels, metadata.annotations, spec.nodeName, spec.serviceAccountName, status.hostIP, status.podIP.

:param field_ref: The field_ref of this V1EnvVarSource.
:type: V1ObjectFieldSelector