diff --git a/modules/opencase_cases/src/Entity/OCCase.php b/modules/opencase_cases/src/Entity/OCCase.php
index b78aad4..7a44a10 100644
--- a/modules/opencase_cases/src/Entity/OCCase.php
+++ b/modules/opencase_cases/src/Entity/OCCase.php
@@ -9,7 +9,6 @@ use Drupal\Core\Entity\RevisionableContentEntityBase;
 use Drupal\Core\Entity\RevisionableInterface;
 use Drupal\Core\Entity\EntityChangedTrait;
 use Drupal\Core\Entity\EntityTypeInterface;
-use Drupal\Core\Entity\EntityTypeManager;
 use Drupal\user\UserInterface;
 
 /**
@@ -85,6 +84,10 @@ class OCCase extends RevisionableContentEntityBase implements OCCaseInterface
   /**
    * {@inheritdoc}
    */
+
+  public static function loadFromUrlQueryParameter(string $param) {
+    return self::load(\Drupal::request()->query->get($param));
+  }
   public static function preCreate(EntityStorageInterface $storage_controller, array &$values)
   {
     parent::preCreate($storage_controller, $values);
@@ -93,7 +96,21 @@ class OCCase extends RevisionableContentEntityBase implements OCCaseInterface
     ];
   }
 
-  public function getCaseProvisionIds(EntityTypeManager $etm): array {
+  public function getCaseProviderIds(int $role_id = null): array {
+    $case_provision_ids = $this->getCaseProvisionIds();
+    $provider_ids = [];
+    foreach($case_provision_ids as $id) {
+      $provision = \Drupal::entityTypeManager()->getStorage('oc_case_provision')->load($id);
+      if ($provision instanceOf OCCaseProvision) {
+        if (is_null($role_id) || $role_id == $provision->get('oc_case_provider_role')->target_id)  {
+          $provider_ids[] = $provision->get('oc_provider')->target_id;
+        }
+      }
+    }
+    return $provider_ids;
+  }
+
+  private function getCaseProvisionIds(): array {
     $query = \Drupal::entityTypeManager()->getStorage('oc_case_provision')->getQuery();
     $query->condition('oc_case.target_id', $this->id());
     return $query->execute();
diff --git a/tests/src/Unit/OCCaseTest.php b/tests/src/Unit/OCCaseTest.php
index 32f74dd..9186ac4 100644
--- a/tests/src/Unit/OCCaseTest.php
+++ b/tests/src/Unit/OCCaseTest.php
@@ -20,14 +20,106 @@ class OCCaseTest extends UnitTestCase{
             ->getMock();
     }
    
-    public function testGetCaseProvisionIds(): void{  
+    public function testGetCaseProviderIds_SingleCaseProvision(): void{  
+        // It will first get the id of the case provision that references this case
         $storage = $this->getStorage($this->etm, 'oc_case_provision');
         $query = $this->getQuery($storage); 
         $this->case->expects($this->once())->method('id')->willReturn(5);        
-        $query->expects($this->once())->method('condition')->withConsecutive(
-            ['oc_case.target_id', 5]);
-        $query->expects($this->once())->method('execute')->willReturn([1,2,3,4]);
-        $ids = $this->case->getCaseProvisionIds($this->etm);
-        $this->assertTrue($ids == [1,2,3,4]);
+        $query->expects($this->once())->method('condition')->with('oc_case.target_id', 5);
+        $query->expects($this->once())->method('execute')->willReturn([1]);
+
+        // Then it will load the provision
+        $provision = $this->getMockBuilder('\\Drupal\\opencase_cases\\Entity\\OCCaseProvision')->disableOriginalConstructor()->getMock();
+        $storage->expects($this->once())->method('load')->with(1)->willReturn($provision);      
+
+        // Then it will get the target id of the provider field from the provision and return it as an array
+        $providerField = $this->getMockBuilder('\\Drupal\\COre\\Field\\FieldItemListInterface')->disableOriginalConstructor()->getMock();
+        $providerField->target_id = '45';
+        $provision->expects($this->once())->method('get')->with('oc_provider')->willReturn($providerField);
+
+        $ids = $this->case->getCaseProviderIds();
+        $this->assertTrue($ids == [45]);
+    }
+
+       
+    public function testGetCaseProviderIds_MultipleCaseProvisions(): void{  
+        // It will first get the id of the case provisions that reference this case
+        $storage = $this->getStorage($this->etm, 'oc_case_provision');
+        $query = $this->getQuery($storage); 
+        $this->case->expects($this->once())->method('id')->willReturn(5);        
+        $query->expects($this->once())->method('condition')->with('oc_case.target_id', 5);
+        $query->expects($this->once())->method('execute')->willReturn([1, 2, 3]);
+
+        // Then it will load the provisions
+        $provision1 = $this->getMockBuilder('\\Drupal\\opencase_cases\\Entity\\OCCaseProvision')->disableOriginalConstructor()->getMock();
+        $provision2 = $this->getMockBuilder('\\Drupal\\opencase_cases\\Entity\\OCCaseProvision')->disableOriginalConstructor()->getMock();
+        $provision3 = $this->getMockBuilder('\\Drupal\\opencase_cases\\Entity\\OCCaseProvision')->disableOriginalConstructor()->getMock();
+        $storage->method('load')->willReturnMap([[1, $provision1], [2, $provision2], [3, $provision3]]);      
+
+        // Then it will get the target id of the provider field from each provision and return them as an array
+        $providerField1 = $this->getMockBuilder('\\Drupal\\COre\\Field\\FieldItemListInterface')->disableOriginalConstructor()->getMock();
+        $providerField1->target_id = '45';
+        $provision1->expects($this->once())->method('get')->with('oc_provider')->willReturn($providerField1);
+        $providerField2 = $this->getMockBuilder('\\Drupal\\COre\\Field\\FieldItemListInterface')->disableOriginalConstructor()->getMock();
+        $providerField2->target_id = '55';
+        $provision2->expects($this->once())->method('get')->with('oc_provider')->willReturn($providerField2);
+        $providerField3 = $this->getMockBuilder('\\Drupal\\COre\\Field\\FieldItemListInterface')->disableOriginalConstructor()->getMock();
+        $providerField3->target_id = '65';
+        $provision3->expects($this->once())->method('get')->with('oc_provider')->willReturn($providerField3);
+
+        $ids = $this->case->getCaseProviderIds();
+        $this->assertTrue($ids == [45, 55, 65]);
+    }
+
+    public function testGetCaseProviderIds_SingleCaseProvision_RoleSpecifiedAndMatched(): void{  
+        // It will first get the id of the case provision that references this case
+        $storage = $this->getStorage($this->etm, 'oc_case_provision');
+        $query = $this->getQuery($storage); 
+        $this->case->expects($this->once())->method('id')->willReturn(5);        
+        $query->expects($this->once())->method('condition')->with('oc_case.target_id', 5);
+        $query->expects($this->once())->method('execute')->willReturn([1]);
+
+        // Then it will load the provision
+        $provision = $this->getMockBuilder('\\Drupal\\opencase_cases\\Entity\\OCCaseProvision')->disableOriginalConstructor()->getMock();
+        $storage->expects($this->once())->method('load')->with(1)->willReturn($provision);      
+
+        // Then it will check the role field, and find that the role is the one specified
+        // so it will get the target id of the provider field from the provision and return it as an array
+        $roleField = $this->getMockBuilder('\\Drupal\\COre\\Field\\FieldItemListInterface')->disableOriginalConstructor()->getMock();
+        $roleField->target_id = '7';        
+        $providerField = $this->getMockBuilder('\\Drupal\\COre\\Field\\FieldItemListInterface')->disableOriginalConstructor()->getMock();
+        $providerField->target_id = '45';
+        $provision->expects($this->any())->method('get')->withConsecutive(['oc_case_provider_role'], ['oc_provider'])->willReturnMap(
+            [['oc_provider', $providerField], ['oc_case_provider_role', $roleField]]
+        );
+
+        $ids = $this->case->getCaseProviderIds(7);
+        $this->assertTrue($ids == [45]);
+    }
+
+    public function testGetCaseProviderIds_SingleCaseProvision_RoleSpecifiedAndNotMatched(): void{  
+        // It will first get the id of the case provision that references this case
+        $storage = $this->getStorage($this->etm, 'oc_case_provision');
+        $query = $this->getQuery($storage); 
+        $this->case->expects($this->once())->method('id')->willReturn(5);        
+        $query->expects($this->once())->method('condition')->with('oc_case.target_id', 5);
+        $query->expects($this->once())->method('execute')->willReturn([1]);
+
+        // Then it will load the provision
+        $provision = $this->getMockBuilder('\\Drupal\\opencase_cases\\Entity\\OCCaseProvision')->disableOriginalConstructor()->getMock();
+        $storage->expects($this->once())->method('load')->with(1)->willReturn($provision);      
+
+        // Then it will check the role field, and find that the role is *not* the one specified
+        // so it will return nothing
+        $roleField = $this->getMockBuilder('\\Drupal\\COre\\Field\\FieldItemListInterface')->disableOriginalConstructor()->getMock();
+        $roleField->target_id = '7';        
+        $providerField = $this->getMockBuilder('\\Drupal\\COre\\Field\\FieldItemListInterface')->disableOriginalConstructor()->getMock();
+        $providerField->target_id = '45';
+        $provision->expects($this->any())->method('get')->withConsecutive(['oc_case_provider_role'], ['oc_provider'])->willReturnMap(
+            [['oc_provider', $providerField], ['oc_case_provider_role', $roleField]]
+        );
+
+        $ids = $this->case->getCaseProviderIds(8);
+        $this->assertTrue($ids == []);
     }
 }