> For the complete documentation index, see [llms.txt](https://docs.umbraco.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.umbraco.com/umbraco-cms/13.latest/reference/management/services/consentservice.md).

# ConsentService

[Browse the API documentation for ConsentService](https://apidocs.umbraco.com/v13/csharp/api/Umbraco.Cms.Core.Services.IConsentService.html).

* **Namespace:** `Umbraco.Cms.Core.Services`
* **Assembly:** `Umbraco.Core.dll`

A service for handling lawful data processing requirements.

## What is a Consent

A consent is fully identified by a source (whoever is consenting), a context (for example, an application), and an action (whatever is consented). A consent state registers the state of the consent (granted, revoked...).

## Register a new consent

Consent can be given or revoked or changed via the `RegisterConsent` method, which creates a new `Consent` entity to track the consent.

## Get the current state

Getter methods of this service return the current state of a consent, that is the latest [IConsent](https://apidocs.umbraco.com/v13/csharp/api/Umbraco.Cms.Core.Models.IConsent.html) entity that was created.

## Revoking a consent

Revoking a consent is performed by registering a revoked consent.

A consent *cannot be deleted*. It can only be revoked by registering a "revoked consent".

## Examples

```csharp
// store a new consent
var newConsent = _consentService.RegisterConsent("userId", "Our.Custom.Umbraco.Plugin", "AllowedToEmail", ConsentState.Granted, "some comments");

// lookup a consent
var consents = _consentService.LookupConsent("userId", "Our.Custom.Umbraco.Plugin", "AllowedToEmail", sourceStartsWith : true);
if (consents != null && consents.Any())
{
    var currentConsent = consents.First(c => c.Current == true);
    if(currentConsent.State  == ConsentState.Granted)
    {
        // Do what you need
    }
    else
    {
        // the state is None, Pending or Revoked
    }
}
```

In Razor views, you can access the consent service through the `@inject` directive:

```csharp
@inject IConsentService ConsentService
```


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