# User Groups

With Wuf it is possible to send notifications to the users who installed the Wuf mobile app on mobile devices.\
\
With User Groups you can create groups of users, and send them the same notification using one single HTTP POST request.

## How to create a User Group

To create a User Group log in to Wuf and select the [User Group](https://www.usewuf.com/groups).

Create a new Group by defining the name.\
Then click on the Add User, and paste the User Key of the user to add to the group.

## How to send a notification to a User Group

To send notifications to a User Group you can use the [Push API endpoint](/reference/api-reference/push.md).

In the payload, use the `userGroupKey`.

## Use cases

User Groups are useful when you know in advance the groups to be added to the group.

For instance, if you have a team, with the Wuf mobile application installed.\
In this case, you can easily collect their User Keys, and add them to a group called "My Team".\
You can integrate Wuf with [Lemon Squeezy](/integrations/lemon-squeezy.md) to automatically send them notifications when a new subscription to your SaaS happens, and improve the mood of your team 🎉


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