# JSON.STRLEN

> Report the length of the JSON String at path in key

## Arguments

<ParamField body="key" type="string" required>
    The key of the json entry.
</ParamField>
<ParamField body="path" type="string" required>
    The path of the array. `$` is the root.
</ParamField>


## Response
<ResponseField type="array" required>
  JSON.STRLEN returns by recursive descent an array of integer replies for each path, the array's length, or nil, if the matching JSON value is not a string.
</ResponseField>

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