# MV_DEDUPE

The MV_DEDUPE function is used to eliminate duplicate values from a multivalued field.

## Syntax

`MV_DEDUPE(field)`

### Parameters

#### field

This is a multivalue expression.

## Examples

```esql
ROW a=["foo", "foo", "bar", "foo"]
| EVAL dedupe_a = MV_DEDUPE(a)
```

```esql
ROW b=["apple", "apple", "banana", "apple", "banana"]
| EVAL dedupe_b = MV_DEDUPE(b)
```

## Notes

While MV_DEDUPE may sort the values in the column, it's not guaranteed to always do so.
