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# maxSimpleState

> Example of using the maxSimpleState combinator

<h2 id="description">
  Description
</h2>

The [`SimpleState`](/reference/functions/aggregate-functions/combinators#-simplestate) combinator can be applied to the [`max`](/reference/functions/aggregate-functions/max)
function to return the maximum value across all input values. It returns the
result with type `SimpleAggregateState`.

<h2 id="example-usage">
  Example usage
</h2>

The example given in [`minSimpleState`](/guides/clickhouse/examples/aggregate-function-combinators/minSimpleState#example-usage)
demonstrates a usage of both `maxSimpleState` and `minSimpleState`.

<h2 id="see-also">
  See also
</h2>

* [`max`](/reference/functions/aggregate-functions/max)
* [`SimpleState combinator`](/reference/functions/aggregate-functions/combinators#-simplestate)
* [`SimpleAggregateFunction type`](/reference/data-types/simpleaggregatefunction)