diff --git a/lib/Db/Synchronization.php b/lib/Db/Synchronization.php
index d3316c35..208bef2c 100644
--- a/lib/Db/Synchronization.php
+++ b/lib/Db/Synchronization.php
@@ -35,6 +35,7 @@ class Synchronization extends Entity implements JsonSerializable
 	protected ?DateTime $updated = null;	// The date and time the synchronization was updated
 
 	protected array $conditions = [];
+	protected array $followUps = [];
 
 
 	public function __construct() {
@@ -61,6 +62,7 @@ public function __construct() {
 		$this->addType('created', 'datetime');
 		$this->addType('updated', 'datetime');
 		$this->addType(fieldName:'conditions', type: 'json');
+		$this->addType(fieldName:'followUps', type: 'json');
 	}
 
 	public function getJsonFields(): array
@@ -120,6 +122,7 @@ public function jsonSerialize(): array
 			'created' => isset($this->created) === true ? $this->created->format('c') : null,
 			'updated' => isset($this->updated) === true ? $this->updated->format('c') : null,
 			'conditions' => $this->conditions,
+			'followUps' => $this->followUps,
 		];
 	}
 }
diff --git a/lib/Migration/Version1Date20241126074122.php b/lib/Migration/Version1Date20241126074122.php
index 8649927e..71edeb90 100644
--- a/lib/Migration/Version1Date20241126074122.php
+++ b/lib/Migration/Version1Date20241126074122.php
@@ -17,7 +17,9 @@
 use OCP\Migration\SimpleMigrationStep;
 
 /**
- * FIXME Auto-generated migration step: Please modify to your needs!
+ * Adds two columns to the Synchronizations table:
+ * - conditions for json logic
+ * - follow_ups for follow up synchronizations
  */
 class Version1Date20241126074122 extends SimpleMigrationStep {
 
@@ -47,6 +49,12 @@ public function changeSchema(IOutput $output, Closure $schemaClosure, array $opt
 					->setDefault(default: '{}')
 					->setNotnull(notnull:false);
 			}
+			if ($table->hasColumn(name: 'follow_ups') === false) {
+
+				$table->addColumn(name: 'follow_ups', typeName: Types::JSON)
+					->setDefault(default: '{}')
+					->setNotnull(notnull:false);
+			}
 		}
 
 		return $schema;
diff --git a/lib/Service/SynchronizationService.php b/lib/Service/SynchronizationService.php
index 9fb83124..bddba5f9 100644
--- a/lib/Service/SynchronizationService.php
+++ b/lib/Service/SynchronizationService.php
@@ -104,7 +104,6 @@ public function synchronize(Synchronization $synchronization, ?bool $isTest = fa
                     $synchronizationContract = $this->synchronizationContractMapper->createFromArray([
                         'synchronizationId' => $synchronization->getId(),
                         'originId' => $originId,
-                        'originHash' => md5(serialize($object))
                     ]);
                 } else {
                     $synchronizationContract = new SynchronizationContract();
@@ -136,6 +135,11 @@ public function synchronize(Synchronization $synchronization, ?bool $isTest = fa
             $this->synchronizationContractMapper->update($synchronizationContract);
         }
 
+		foreach ($synchronization->getFollowUps() as $followUp) {
+			$followUpSynchronization = $this->synchronizationMapper->find($followUp);
+			$this->synchronize($followUpSynchronization, $isTest);
+		}
+
         return $objectList;
     }
 
@@ -246,7 +250,7 @@ public function synchronizeContract(SynchronizationContract $synchronizationCont
         // Let's prevent pointless updates @todo account for omnidirectional sync, unless the config has been updated since last check then we do want to rebuild and check if the tagert object has changed
         if ($originHash === $synchronizationContract->getOriginHash() && $synchronization->getUpdated() < $synchronizationContract->getSourceLastChecked()) {
             // The object has not changed and the config has not been updated since last check
-             return $synchronizationContract;
+			return $synchronizationContract;
         }
 
         // The object has changed, oke let do mappig and bla die bla