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

# JSON.SET

> Set the JSON value at path in key.

## Arguments

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

<ParamField body="path" type="str" required>
  The path of the value to set.
</ParamField>

<ParamField body="value" type="TValue" required>
  The value to set.
</ParamField>

<ParamField body="nx" type="boolean" default="None">
  Sets the value at path only if it does not exist.
</ParamField>

<ParamField body="xx" type="boolean" default="None">
  Sets the value at path only if it does exist.
</ParamField>

## Response

<ResponseField type="true" required>
  Returns true if the value was set.
</ResponseField>

<RequestExample>
  ```py Example theme={"system"}
  redis.json.set(key, "$.path", value)
  ```

  ```py NX theme={"system"}
  value = ...
  redis.json.set(key, "$.path", value, nx=true)
  ```

  ```py XX theme={"system"}
  value = ...
  redis.json.set(key, "$.path", value, xx=true)
  ```
</RequestExample>