---
url: /process-functions/security-applicationuseraddtag.md
description: Add a single tag to an user in an application.
---

# security.applicationUserAddTag

Add a single tag to an user in an application. Returns a boolean value depending on the outcome.

```js
security.applicationUserAddTag(applicationId, userId, tag)
```

#### Parameters

* `applicationId` - Identifier of the activity.
* `userId` - Identifier of the user.
* `tag` - Tag name or identifier.

#### Example

```js
let boolean = security.applicationUserAddTag("MyActivityId", 1, "Admin");
```