# Get started with the catalog

> Learn when to use services or activities in your catalog.

Source: https://support.caspen.com/catalog/get-started-with-the-catalog
Documentation index: https://support.caspen.com/llms.txt

## Services vs activities


> **Warning:**
>
> **Before you begin: services vs activities**
>
> - **Appointments (services):** For client-facing services including telehealth appointments.
> - **Activities:** For non-face-to-face work like report writing or billable communications.
> - Appointments send client notifications. Activities do not.


## Frequently asked questions
<details>

<summary><strong>Can I change the duration of a service when booking?</strong></summary>

Yes. You can override the default and set the duration you need when booking.

</details>

<details>

<summary><strong>When should I use an appointment instead of an activity?</strong></summary>

Use an appointment for client-facing sessions (for example, telehealth or consultations). Use an activity for internal or non-face-to-face tasks such as report writing.

</details>