@operation.setter<EOL><INDENT>def operation(self, operation):<DEDENT>
self._operation = operation<EOL>
Sets the operation of this V1ManagedFieldsEntry.
Operation is the type of operation which lead to this ManagedFieldsEntry being created. The only valid values for this field are 'Apply' and 'Update'.

:param operation: The operation of this V1ManagedFieldsEntry.
:type: str