> ## Documentation Index
> Fetch the complete documentation index at: https://upstash-vector.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# JSON.ARRAPEND

> Append values to the array at path in the JSON document at key.

## Arguments

<ParamField body="key" type="string" required>
  The key of the json entry.
</ParamField>

<ParamField body="path" type="string" default="$">
  The path of the array.
</ParamField>

<ParamField body="value" type="...TValue[]" required>
  One or more values to append to the array.
</ParamField>

## Response

<ResponseField type="integer" required>
  The length of the array after the appending.
</ResponseField>

<RequestExample>
  ```ts Example
  await redis.json("key", "$.path.to.array", "a");
  ```
</RequestExample>
