docs/supported-modules/VisitorInterestModule.md
---
description: Matomo Reporting API - Visitor Interest Module
---
# VisitorInterestModule
## Documentation
[https://developer.matomo.org/api-reference/reporting-api\#VisitorInterest](https://developer.matomo.org/api-reference/reporting-api#VisitorInterest)
## Module Usage
All the below methods can be called in the following manner:
```php
$visitorInterestModule = Piwik::getVisitorInterest();
$visitorInterestModule->getNumberOfVisitsPerVisitDuration($arguments, $format);
```
If you are using the format from configuration, it does not need to be specified
```php
$visitorInterestModule = Piwik::getVisitorInterest();
$visitorInterestModule->getNumberOfVisitsPerVisitDuration($arguments);
```
If you are not specifying additional arguments or a format, neither parameters need to be passed in
```php
$visitorInterestModule = Piwik::getVisitorInterest();
$visitorInterestModule->getNumberOfVisitsPerVisitDuration();
```
## Methods
TBC