elasticsearch-js/docs/reference/api/AggregationsRangeAggregation.md

Interface AggregationsRangeAggregation

Name	Type	Description
field	Field	The date field whose values are use to build ranges.
format	string
keyed	boolean	Set to true to associate a unique string key with each bucket and return the ranges as a hash rather than an array.
missing	integer	The value to apply to documents that do not have a value. By default, documents without a value are ignored.
ranges	AggregationsAggregationRange[]	An array of ranges used to bucket documents.
script	Script	ScriptSource