diff --git a/bundles/org.openhab.core.io.rest.sitemap/src/main/java/org/openhab/core/io/rest/sitemap/internal/MappingDTO.java b/bundles/org.openhab.core.io.rest.sitemap/src/main/java/org/openhab/core/io/rest/sitemap/internal/MappingDTO.java
index d7a91db61..4ba0ca048 100644
--- a/bundles/org.openhab.core.io.rest.sitemap/src/main/java/org/openhab/core/io/rest/sitemap/internal/MappingDTO.java
+++ b/bundles/org.openhab.core.io.rest.sitemap/src/main/java/org/openhab/core/io/rest/sitemap/internal/MappingDTO.java
@@ -18,12 +18,14 @@ package org.openhab.core.io.rest.sitemap.internal;
  * @author Kai Kreuzer - Initial contribution
  * @author Laurent Garnier - New fields position and icon
  * @author Laurent Garnier - Replace field position by fields row and column
+ * @author Laurent Garnier - New field releaseCommand
  */
 public class MappingDTO {
 
     public Integer row;
     public Integer column;
     public String command;
+    public String releaseCommand;
     public String label;
     public String icon;
 
diff --git a/bundles/org.openhab.core.io.rest.sitemap/src/main/java/org/openhab/core/io/rest/sitemap/internal/SitemapResource.java b/bundles/org.openhab.core.io.rest.sitemap/src/main/java/org/openhab/core/io/rest/sitemap/internal/SitemapResource.java
index bc70d4d17..1a46c0d79 100644
--- a/bundles/org.openhab.core.io.rest.sitemap/src/main/java/org/openhab/core/io/rest/sitemap/internal/SitemapResource.java
+++ b/bundles/org.openhab.core.io.rest.sitemap/src/main/java/org/openhab/core/io/rest/sitemap/internal/SitemapResource.java
@@ -141,6 +141,7 @@ import io.swagger.v3.oas.annotations.tags.Tag;
  * @author Laurent Garnier - Added icon field for mappings used for switch element
  * @author Laurent Garnier - Support added for multiple AND conditions in labelcolor/valuecolor/visibility
  * @author Laurent Garnier - New widget icon parameter based on conditional rules
+ * @author Laurent Garnier - Added releaseCmd field for mappings used for switch element
  */
 @Component(service = { RESTResource.class, EventSubscriber.class })
 @JaxrsResource
@@ -635,6 +636,7 @@ public class SitemapResource
             for (Mapping mapping : switchWidget.getMappings()) {
                 MappingDTO mappingBean = new MappingDTO();
                 mappingBean.command = mapping.getCmd();
+                mappingBean.releaseCommand = mapping.getReleaseCmd();
                 mappingBean.label = mapping.getLabel();
                 mappingBean.icon = mapping.getIcon();
                 bean.mappings.add(mappingBean);
diff --git a/bundles/org.openhab.core.model.sitemap/src/org/openhab/core/model/sitemap/Sitemap.xtext b/bundles/org.openhab.core.model.sitemap/src/org/openhab/core/model/sitemap/Sitemap.xtext
index 37dad8bd6..bbb6f4afc 100644
--- a/bundles/org.openhab.core.model.sitemap/src/org/openhab/core/model/sitemap/Sitemap.xtext
+++ b/bundles/org.openhab.core.model.sitemap/src/org/openhab/core/model/sitemap/Sitemap.xtext
@@ -204,7 +204,7 @@ Button:
     row=INT ':' column=INT ':' cmd=Command '=' label=(ID | STRING) ('=' icon=Icon)?;
 
 Mapping:
-    cmd=Command '=' label=(ID | STRING) ('=' icon=Icon)?;
+    cmd=Command (':' releaseCmd=Command)? '=' label=(ID | STRING) ('=' icon=Icon)?;
 
 VisibilityRule:
     conditions+=Condition ('AND' conditions+=Condition)*;