---
title: Event Trigger
description: Discover how to use the Event Trigger to activate your DOOH campaign based on real-world events near your screens.
---

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# Event Trigger

## The Event Trigger is designed for advertisers who want to reach a specific audience in the physical world: at the right place, at the right moment.

By conditioning delivery on the presence of real-world events near your screens, you ensure your ads are only shown when a relevant audience is actually there.

It is particularly powerful for national or multi-market campaigns: a single Line Item can activate simultaneously across different countries and a multitude of event types — conferences, sports, concerts, live shows, and more, wherever a matching event is detected.

### Trigger Coverage

- **Geography:** 🇫🇷 France, 🇩🇪 Germany, 🇪🇸 Spain, 🇧🇪 Belgium only.
- If your geographic targeting in Step 2 does not include screens in one of these countries, the Event trigger panel will not appear in Step 3.
- **Event data source:** PredictHQ — categories include concerts, sports, conferences, festivals, community events, and more
- **Broadcast radius:** Determined by PredictHQ based on location and venue type — ranges from ~1km to ~10km (avg ~4km). The radius is **not configurable** by the user.
- **Granularity:** Targeting works at the event category/subcategory level. It is not possible to target a specific named event (e.g. Solidays Festival).
- **Timeline: e**vent visibility is limited to the next 4 months only. 

---

### How to configure the Event trigger

In **Step 3 (Buying)**, under the *Triggering* section, click the **Events (+€0.70 CPM)** button.

A searchable dropdown appears, organized by **categories** and **subcategories**:

- Selecting a **category** automatically selects all its subcategories
- **Multi-selection** is available across categories and subcategories
- **Search** filters subcategories only — category titles are not searchable
- Each subcategory displays in parentheses the **number of matching events** based on your targeting
- Categories/subcategories with no events are **non-selectable**
- From 3 subcategories selected, the label shows *"3 items selected"* — hover to see the full list
- Categories are sorted **alphabetically**

![Capture d’écran 2026-06-22 à 11.37.45](https://helpdesk.displayce.com/hs-fs/hubfs/Capture%20d%E2%80%99%C3%A9cran%202026-06-22%20%C3%A0%2011.37.45.png?width=374&height=278&name=Capture%20d%E2%80%99%C3%A9cran%202026-06-22%20%C3%A0%2011.37.45.png)![Capture d’écran 2026-06-22 à 11.38.05](https://helpdesk.displayce.com/hs-fs/hubfs/Capture%20d%E2%80%99%C3%A9cran%202026-06-22%20%C3%A0%2011.38.05.png?width=326&height=289&name=Capture%20d%E2%80%99%C3%A9cran%202026-06-22%20%C3%A0%2011.38.05.png)  
💡 The frame selection and forecast update dynamically with every change to your event selection.

The **Summary (Step 5)** displays the selected trigger with categories and subcategories separated by semicolons.

![Capture d’écran 2026-06-22 à 11.39.36](https://helpdesk.displayce.com/hs-fs/hubfs/Capture%20d%E2%80%99%C3%A9cran%202026-06-22%20%C3%A0%2011.39.36.png?width=449&height=156&name=Capture%20d%E2%80%99%C3%A9cran%202026-06-22%20%C3%A0%2011.39.36.png)

#### CPM Surcharge

Activating the Event trigger applies a **+€0.70 CPM** surcharge automatically as soon as at least one subcategory is selected.

#### Delivery Pilot notification

If a selected subcategory loses all its linked events, a notification appears in the Delivery Pilot — e.g. “Comedy & Stand-up has no available events. Purchasing may be blocked.”

---

### Trigger Temporality

A frame is activated when an event is detected **within the PredictHQ broadcast radius** of the screen.

The activation window is: **3 hours before the start** and **3 hours after the end** of the event.

### Combining Triggers

The Event trigger follows the same OR/AND logic as other triggers:

- *Concerts* OR *Sports* → activation when either condition is met (OR logic within the same trigger type)
- *Concerts* AND *Weather: Sunny* → activation only when both conditions are met simultaneously (AND logic between different trigger types)

⚠️ **Combining Event Trigger with Pulse is not recommended** — it would significantly reduce buying combinations.

---

### Insights View

After configuring the trigger, two metrics are available in the **Insights view** and update dynamically with every selection change:

| Metric | Description |
| --- | --- |
| **Total selected events** | Total number of unique events matching your category and date selection within the radius of your screens |
| **Attendance** | Estimated total number of people attending the selected events |

**Event Calendar:** A calendar view is available to visualize the number of broadcast hours covered each day around the selected events. This daily hours count directly drives capping calculations for the Line Item.

![Capture d’écran 2026-06-25 à 15.44.50](https://helpdesk.displayce.com/hs-fs/hubfs/Capture%20d%E2%80%99%C3%A9cran%202026-06-25%20%C3%A0%2015.44.50.png?width=302&height=294&name=Capture%20d%E2%80%99%C3%A9cran%202026-06-25%20%C3%A0%2015.44.50.png)

---

### Limitations & Known Behaviors

- Search filters subcategories only, not category labels
- The *Others* subcategory groups events within a category that have no specific subcategory
- It is not possible to target a specific named event (e.g. Solidays Festival)
- The broadcast radius is set by PredictHQ and cannot be customized by the user
- Combining Event Trigger with Pulse is not recommended

---

### Category & sub-category detail 

| **Category** | **Sub-category** |
| --- | --- |
| Art, Theatre & Comedy | Comedy & Stand-up |
| Art, Theatre & Comedy | Musicals & Shows |
| Art, Theatre & Comedy | Other |
| Art, Theatre & Comedy | Performing Arts (Opera, Ballet, Circus…) |
| Art, Theatre & Comedy | Theatre |
| Concerts & Music Festivals |  Country |
| Concerts & Music Festivals | Electro |
| Concerts & Music Festivals | Jazz & Classical |
| Concerts & Music Festivals | Music Festivals |
| Concerts & Music Festivals | Other |
| Concerts & Music Festivals | Pop & Rock |
| Concerts & Music Festivals | Rap, Hip-Hop, R&B & Soul |
| Conferences | Business & Professional |
| Conferences | Education, Careers & Lifestyle |
| Conferences | Other |
| Conferences | Science, Tech & Medical |
| Exhibitions & Expos | Art & Culture |
| Exhibitions & Expos | Business & Professional |
| Exhibitions & Expos | Food & Hospitality |
| Exhibitions & Expos | Industry & Infrastructure |
| Exhibitions & Expos | Lifestyle & Fashion |
| Exhibitions & Expos | Other |
| Exhibitions & Expos | Sports & Gaming |
| Exhibitions & Expos | Tech & Science |
| Family Events | Charity |
| Family Events | Community Events |
| Family Events | Educational & Cultural |
| Family Events | Markets & Food Events |
| Family Events | Other |
| Family Events | Sports & Wellness |
| Sports | Basketball |
| Sports | Combat Sports |
| Sports | Cycling |
| Sports | Football |
| Sports | Horse Racing |
| Sports | Other |
| Sports | Racing |
| Sports | Rugby |
| Sports | Running, Endurance & Outdoor |
| Sports | Tennis & Badminton |
| Sports | Volleyball |
| Sports | Winter Sports |

---

### FAQ

**Why can't I see the Event trigger on my Line Item?**  
→ Check that your geographic targeting in Step 2 includes at least one screen in an eligible country (FR, DE, ES, BE).

**What does the *Others* subcategory correspond to?**  
→ It groups all events within a category that don't belong to any named subcategory.

**Does my frame selection change when I configure an Event trigger?**  
→ Yes. The frame selection and forecast update automatically to reflect only screens within the broadcast radius of matching events.

**Can I combine the Event trigger with other triggers?**  
→ Yes. Combining with a different trigger type (e.g. Weather) applies AND logic — both conditions must be met simultaneously. Combining with Pulse is not recommended as it significantly reduces buying combinations.

**When should I use the Event Trigger?**  
→ When you want to reach a specific audience in the physical world — at the right place, at the right moment. Use it to activate across a multitude of event types — conferences, sports, concerts, live shows, and more — all within a single Line Item.

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