diff --git a/application/libraries/StundenplanLib.php b/application/libraries/StundenplanLib.php
index a7bec61ec..2c21ac72b 100644
--- a/application/libraries/StundenplanLib.php
+++ b/application/libraries/StundenplanLib.php
@@ -7,6 +7,7 @@ use \DateTime as DateTime;
 use \DateTimeZone as DateTimeZone;
 use \DateInterval as DateInterval;
 use \DatePeriod as DatePeriod;
+use CI3_Events as Events;
 
 class StundenplanLib
 {
@@ -141,7 +142,7 @@ class StundenplanLib
 			return $stundenplan_data;
 		$stundenplan_data = getData($stundenplan_data) ?? [];
 
-		$function_error = $this->expandObjectInformation($stundenplan_data);
+		$function_error = $this->expandObjectInformation($stundenplan_data, true);
 		if ($function_error)
 			return $function_error;
 		
@@ -286,7 +287,7 @@ class StundenplanLib
 		return success($lektoren);
 	}
 
-	public function expandObjectInformation($data)
+	public function expandObjectInformation($data, $callExtensionsEvent = false)
 	{
 		$this->_ci =& get_instance();
 		
@@ -375,6 +376,20 @@ class StundenplanLib
 			$item->lektor = $lektor_obj_array;
 
 		}
+		
+		// info retrieved from extensions might not be necessary for some stundenplan use cases so the event
+		// will be gated behind this flag
+		
+		if($callExtensionsEvent) {
+			Events::trigger(
+				'extendStundenplanData',
+				function & () use (&$data)
+				{
+					return $data;
+				}
+			);
+		}
+		
 	}
 
 	public function fetchFerienTageEvents($start_date, $end_date, $studiengang_kz)
diff --git a/public/js/components/Cis/Renderer/Lehreinheit/calendarEvent.js b/public/js/components/Cis/Renderer/Lehreinheit/calendarEvent.js
index 652b29645..8bbaa5d0f 100644
--- a/public/js/components/Cis/Renderer/Lehreinheit/calendarEvent.js
+++ b/public/js/components/Cis/Renderer/Lehreinheit/calendarEvent.js
@@ -66,6 +66,24 @@ export default {
 					return "d-none d-xl-grid";
 			}
 		},
+		// link into the FHC-Core-Anwesenheiten tool
+		// digi_anw_data is attached per event by the extension's `extendStundenplanData` listener
+		anwLink() {
+			const d = this.event && this.event.digi_anw_data;
+			if (!d || !d.stg_kz || !d.lv_id || !d.sem_kurzbz)
+				return null;
+			const base = FHC_JS_DATA_STORAGE_OBJECT.app_root
+				+ FHC_JS_DATA_STORAGE_OBJECT.ci_router
+				+ '/extensions/FHC-Core-Anwesenheiten/';
+			return base
+				+ `?stg_kz=${encodeURIComponent(d.stg_kz)}`
+				+ `&sem=${encodeURIComponent(d.sem ?? '')}`
+				+ `&lvid=${encodeURIComponent(d.lv_id)}`
+				+ `&sem_kurzbz=${encodeURIComponent(d.sem_kurzbz)}`;
+		},
+		anwLinkTitle() {
+			return this.$p.t('global/digitalesAnwManagement');
+		},
 	},
 	template: /*html*/`
 	<div
@@ -96,6 +114,21 @@ export default {
 				... +{{ event.lektor.length - 3 }}
 			</span>
 		</div>
+		<a
+			v-if="anwLink"
+			:href="anwLink"
+			target="_blank"
+			rel="noopener"
+			class="d-flex align-items-center flex-shrink-0"
+			style="margin-right: 4px"
+			:title="anwLinkTitle"
+			:aria-label="anwLinkTitle"
+			draggable="false"
+			@click.stop
+			@mousedown.stop
+		>
+			<i class="fa fa-arrow-up-right-from-square fs-5" aria-hidden="true"></i>
+		</a>
 	</div>
 	`,
 }