# trim
<a name="trim-function"></a>

`trim` removes both preceding and following blank space from a string. 

## Syntax
<a name="trim-function-syntax"></a>

```
trim(expression)
```

## Arguments
<a name="trim-function-arguments"></a>

 *expression*   
The expression must be a string. It can be the name of a field that uses the string data type, a literal value like **'12 Main Street'**, or a call to another function that outputs a string.

## Return type
<a name="trim-function-return-type"></a>

String

## Example
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The following example removes the following spaces from a string.

```
trim('   Seattle Store #14   ')
```

For these field values, the following values are returned.

```
Seattle Store #14
```