diff --git a/config/packages/mapping/ActivityEntity.orm.xml b/config/packages/mapping/ActivityEntity.orm.xml
new file mode 100644
index 0000000..df8f8b9
--- /dev/null
+++ b/config/packages/mapping/ActivityEntity.orm.xml
@@ -0,0 +1,13 @@
+<doctrine-mapping>
+	<entity repository-class="App\Repository\ActivityRepository" name="App\Entity\ActivityEntity" table="activity">
+		<id name="id" type="string" column="id" length="8"/>
+		<field name="name" type="string" column="name" length="256"/>
+		<field name="startDate" type="date" column="startDate"/>
+		<field name="endDate" type="date" column="endDate"/>
+		<field name="realStartDate" type="date" column="realStartDate"/>
+		<field name="realEndDate" type="date" column="realEndDate"/>
+		<many-to-one field="actor" target-entity="ActorEntity">
+			<join-column name="actor" referenced-column-name="id" />
+		</many-to-one>
+	</entity>
+</doctrine-mapping>
\ No newline at end of file
diff --git a/src/Repository/ActivityRepository.php b/src/Repository/ActivityRepository.php
new file mode 100644
index 0000000..c69053c
--- /dev/null
+++ b/src/Repository/ActivityRepository.php
@@ -0,0 +1,11 @@
+<?php
+namespace App\Repository;
+
+use Doctrine\ORM\EntityRepository;
+
+/**
+ * Repository for workspaces
+ */
+class ActivityRepository extends EntityRepository
+{
+}
\ No newline at end of file