CREATE NAMED COLLECTION

CREATE [OR REPLACE] NAMED COLLECTION [IF NOT EXISTS] name [ON CLUSTER cluster] AS
key_name1 = 'some value' [[NOT] OVERRIDABLE],
key_name2 = 'some value' [[NOT] OVERRIDABLE],
key_name3 = 'some value' [[NOT] OVERRIDABLE],
...

CREATE NAMED COLLECTION foobar AS a = '1', b = '2' OVERRIDABLE;
CREATE OR REPLACE NAMED COLLECTION foobar AS a = '2', c = '3';