# GetNumberOfVisitors

## Description

Returns the number of visitors (based on sessions, not unique visitors) for a Flipbook in a given time period.

## Parameters

| Name    | Value                                                 |
| ------- | ----------------------------------------------------- |
| paperID | The ID of the Flipbook to retrieve data from          |
| from    | When should data be returned from? Format: YYYY-MM-DD |
| to      | When should data be returned to? Format: YYYY-MM-DD   |

## Sample Response

```xml
<?xml version="1.0" encoding="utf-8"?>
<result>
  <code><![CDATA[SUCCESS]]></code>
  <message><![CDATA[Visitor count returned.]]></message>
  <data>
    <visitors count="8" />
  </data>
</result>
```

## Return Codes

* SUCCESS
* ERROR
* STATISTICS\_TEMPORARILY\_UNAVAILABLE
