# Using the CONTAINS function with PartiQL for DynamoDB
<a name="ql-functions.contains"></a>

Returns `TRUE` if the attribute specified by the path is one of the following:
+ A String that contains a particular substring. 
+ A Set that contains a particular element within the set.

For more information, see the DynamoDB [contains](https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Expressions.OperatorsAndFunctions.html#Expressions.OperatorsAndFunctions.Functions) function. 

## Syntax
<a name="ql-functions.contains.syntax"></a>

```
contains( {{path}}, {{substring}} )
```

## Arguments
<a name="ql-functions.contains.arguments"></a>

{{path}}  
(Required) The attribute name or document path to use.

{{substring}}  
(Required) The attribute substring or set member to check for. For more information, see the DynamoDB [contains](https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Expressions.OperatorsAndFunctions.html#Expressions.OperatorsAndFunctions.Functions) function.

## Return type
<a name="ql-functions.contains.return-type"></a>

`bool`

## Examples
<a name="ql-functions.contains.examples"></a>

```
SELECT * FROM "Orders" WHERE "OrderID"=1 AND contains("Address", 'Kirkland')
```