# TDIGEST.RESET












Resets a t-digest sketch: empties the sketch and re-initializes it.

## Required arguments

<details open><summary><code>key</code></summary>

is the key name for an existing t-digest sketch.
</details>


## Example


redis> TDIGEST.RESET t
OK


## Return information

{{< multitabs id=“tdigest-reset-return-info" 
    tab1="RESP2" 
    tab2="RESP3" >}}

One of the following:

* [Simple string reply](https://redis.io/docs/latest/develop/reference/protocol-spec#simple-strings) `OK` if executed correctly.
* [Simple error reply](https://redis.io/docs/latest/develop/reference/protocol-spec#simple-errors) in these cases: key does not exist or is of the wrong type, or incorrect number of arguments.

-tab-sep-

One of the following:

* [Simple string reply](https://redis.io/docs/latest/develop/reference/protocol-spec#simple-strings) `OK` if executed correctly.
* [Simple error reply](https://redis.io/docs/latest/develop/reference/protocol-spec#simple-errors) in these cases: key does not exist or is of the wrong type, or incorrect number of arguments.