Required. The resource name of the project and location whose namespaces you'd like to list.

Optional. The filter to list results by. General filter string syntax: () * can be `name` or `labels.` for map field * can be <, >, <=, >=, !=, =, :. Of which : means HAS, and is roughly the same as = * must be the same data type as field * can be AND, OR, NOT Examples of valid filters: * labels.owner returns namespaces that have a label with the key owner, this is the same as labels:owner * labels.owner=sd returns namespaces that have key/value owner=sd * name>projects/my-project/locations/us-east1/namespaces/namespace-c returns namespaces that have name that is alphabetically later than the string, so "namespace-e" is returned but "namespace-a" is not * labels.owner!=sd AND labels.foo=bar returns namespaces that have owner in label key but value is not sd AND have key/value foo=bar * doesnotexist.foo=bar returns an empty list. Note that namespace doesn't have a field called "doesnotexist". Since the filter does not match any namespaces, it returns no results For more information about filtering, see API Filtering.

Optional. The order to list results by. General order_by string syntax: () (,) * allows value: `name` * ascending or descending order by ``. If this is left blank, asc is used Note that an empty order_by string results in default order, which is order by name in ascending order.

Optional. The maximum number of items to return.

Optional. The next_page_token value returned from a previous List request, if any.