> ## 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.

# SMISMEMBER

> Check if multiple members exist in a set

## Arguments

<ParamField body="key" type="string" required>
  The key of the set to check.
</ParamField>

<ParamField body="members" type="TMember[]">
  The members to check
</ParamField>

## Response

<ResponseField type="(0 | 1)[]" required>
  An array of `0` and `1` values.
  `1` if the member exists in the set, `0` if not.
</ResponseField>

<RequestExample>
  ```ts Example  theme={"system"}
  await redis.sadd("set", "a", "b", "c"); 
  const members =  await redis.smismember("set", ["a", "b", "d"]);
  console.log(members); // [1, 1, 0]
  ```
</RequestExample>