# SUNIONSTORE

> Return the union between sets and store the resulting set in a key

## Arguments

<ParamField body="destination" type="str" required>
  The key of the set to store the resulting set in.
</ParamField>


<ParamField body="keys" type="*List[str]" required>
  The keys of the sets to perform the union operation on.
</ParamField>


## Response

<ResponseField type="set[str]" required>
  The members of the resulting set.
</ResponseField>

<RequestExample>
```py Example 
redis.sadd("set1", "a", "b", "c"); 
redis.sadd("set2", "c", "d", "e"); 
redis.sunionstore("destination", "set1", "set2")
```

</RequestExample>