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# ST_IsCollection

Returns `TRUE` if the geometry type of the input is a geometry collection type.
Collection types are the following:

* GEOMETRYCOLLECTION
* MULTI{POINT, POLYGON, LINESTRING}

<img src="https://mintcdn.com/wherobots/fqh3gPDE0J25Lra_/images/sql-functions/ST_IsCollection/ST_IsCollection.svg?fit=max&auto=format&n=fqh3gPDE0J25Lra_&q=85&s=355f67f2b064338ceec5ceea2e803844" alt="ST_IsCollection" width="500" height="300" data-path="images/sql-functions/ST_IsCollection/ST_IsCollection.svg" />

## Signatures

```sql theme={"system"}
ST_IsCollection(geom: Geometry)
```

## Parameters

<ParamField body="geom" type="Geometry" required>
  The input geometry.
</ParamField>

## Return type

<ResponseField type="Boolean">
  Returns `true` or `false`.
</ResponseField>

## Examples

```sql theme={"system"}
SELECT ST_IsCollection(ST_GeomFromText('MULTIPOINT ((0 0), (6 6))'))
```

```
true
```

```sql theme={"system"}
SELECT ST_IsCollection(ST_GeomFromText('POINT(5 5)'))
```

```
false
```