diff --git a/modules/opd_presentations/opd_presentations.services.yml b/modules/opd_presentations/opd_presentations.services.yml
index 15f161ce8..d2528f660 100644
--- a/modules/opd_presentations/opd_presentations.services.yml
+++ b/modules/opd_presentations/opd_presentations.services.yml
@@ -1,5 +1,5 @@
 services:
-  Drupal\opd_presentations\PresentationCounter:
+  Drupal\opd_presentations\CountGivenPresentations:
     autowire: true
   Drupal\opd_presentations\Repository\PresentationNodeRepository:
     autowire: true
diff --git a/modules/opd_presentations/src/PresentationCounter.php b/modules/opd_presentations/src/CountGivenPresentations.php
similarity index 87%
rename from modules/opd_presentations/src/PresentationCounter.php
rename to modules/opd_presentations/src/CountGivenPresentations.php
index 2e7a176b3..9b47a4445 100644
--- a/modules/opd_presentations/src/PresentationCounter.php
+++ b/modules/opd_presentations/src/CountGivenPresentations.php
@@ -6,12 +6,12 @@ namespace Drupal\opd_presentations;
 
 use Drupal\opd_presentations\Repository\PresentationRepositoryInterface;
 
-final class PresentationCounter {
+final class CountGivenPresentations {
 
   public function __construct(private PresentationRepositoryInterface $presentationRepository) {
   }
 
-  public function getPastCount(): int {
+  public function __invoke(): int {
     $presentations = $this->presentationRepository->getPublished();
 
     return array_reduce(
diff --git a/modules/opd_presentations/tests/src/Functional/PresentationCounterTest.php b/modules/opd_presentations/tests/src/Functional/CountGivenPresentationsTest.php
similarity index 58%
rename from modules/opd_presentations/tests/src/Functional/PresentationCounterTest.php
rename to modules/opd_presentations/tests/src/Functional/CountGivenPresentationsTest.php
index ac8c3acd3..116c55724 100644
--- a/modules/opd_presentations/tests/src/Functional/PresentationCounterTest.php
+++ b/modules/opd_presentations/tests/src/Functional/CountGivenPresentationsTest.php
@@ -6,54 +6,55 @@ namespace Drupal\Tests\opd_presentations;
 
 use Drupal\Tests\RandomGeneratorTrait;
 use Drupal\Tests\opd_presentations\Traits\PresentationCreationTrait;
-use Drupal\opd_presentations\Date;
+use Drupal\opd_presentations\CountGivenPresentations;
 use Drupal\opd_presentations\Events;
-use Drupal\opd_presentations\PresentationCounter;
-use Drupal\opd_presentations\Repository\PresentationRepositoryInterface;
 use weitzman\DrupalTestTraits\ExistingSiteBase;
 
-final class PresentationCounterTest extends ExistingSiteBase {
+final class CountGivenPresentationsTest extends ExistingSiteBase {
 
   use PresentationCreationTrait;
   use RandomGeneratorTrait;
 
   public function test_it_counts_events(): void {
-    $counter = $this->container->get(PresentationCounter::class);
-    assert($counter instanceof PresentationCounter);
+    $action = $this->container->get(CountGivenPresentations::class);
+    assert($action instanceof CountGivenPresentations);
 
     $this->createPresentation(
       Events::fromDateStrings('yesterday'),
     );
 
     $this->assertGreaterThanOrEqual(
-      actual: $counter->getPastCount(),
+      actual: $action(),
       expected: 1,
     );
   }
 
   public function test_it_only_counts_published_events(): void {
-    $counter = $this->container->get(PresentationCounter::class);
-    assert($counter instanceof PresentationCounter);
+    $action = $this->container->get(CountGivenPresentations::class);
+    assert($action instanceof CountGivenPresentations);
 
-    $count = $counter->getPastCount();
+    // Get the existing presentation count (including existing nodes).
+    $originalCount = $action();
 
     $this->createPresentation(
       events: Events::fromDateStrings('yesterday'),
       isPublished: FALSE,
     );
 
+    // Ensure the count has only increased by one, even though an unpublished
+    // presentation was created.
     $this->assertSame(
-      actual: $counter->getPastCount(),
-      expected: $count,
+      actual: $action(),
+      expected: $originalCount,
     );
   }
 
   public function test_it_only_counts_past_events(): void {
-    $counter = $this->container->get(PresentationCounter::class);
-    assert($counter instanceof PresentationCounter);
+    $action = $this->container->get(CountGivenPresentations::class);
+    assert($action instanceof CountGivenPresentations);
 
     // Get the existing presentation count (including existing nodes).
-    $originalCount = $counter->getPastCount();
+    $originalCount = $action();
 
     $this->assertGreaterThanOrEqual(
       actual: $originalCount,
@@ -64,11 +65,9 @@ final class PresentationCounterTest extends ExistingSiteBase {
       Events::fromDateStrings('tomorrow', 'yesterday'),
     );
 
-    $counter = $this->container->get(PresentationCounter::class);
-
     // Ensure the count has only increased by one, even though a future and past event were created.
     $this->assertSame(
-      actual: $counter->getPastCount(),
+      actual: $action(),
       expected: $originalCount + 1,
     );
   }