# IsLicenseKeyATrialLicense

### Description

Returns whether the provided license key is a trial.&#x20;

This API requires the use of QLM Engine version 6.0.00 or higher.

```csharp
 bool IsLicenseKeyATrialLicense(string licenseKey)
```

### Arguments

| Name       | Data Type | Description           |
| ---------- | :-------: | --------------------- |
| licenseKey |   string  | license key to verify |

### Return

| Data Type | Description                          |
| :-------: | ------------------------------------ |
|    bool   | true if the license model is a trial |
