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# SISMEMBER

> Check if a member exists in a set

## Arguments

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

<ParamField body="member" type="str">
  The member to check for.
</ParamField>

## Response

<ResponseField type="bool" required>
  `True` if the member exists in the set, `False` if not.
</ResponseField>

<RequestExample>
```py Example 
redis.sadd("set", "a", "b", "c")

assert redis.sismember("set", "a") == True
```

</RequestExample>