diff --git a/frontend/.changeset/dry-islands-flash.md b/frontend/.changeset/dry-islands-flash.md
new file mode 100644
index 00000000..45e9bdca
--- /dev/null
+++ b/frontend/.changeset/dry-islands-flash.md
@@ -0,0 +1,6 @@
+---
+"@liam-hq/erd-core": patch
+"@liam-hq/cli": patch
+---
+
+📈 : Add open related tables log event
diff --git a/frontend/packages/erd-core/src/components/ERDRenderer/ERDContent/TableNode/TableDetail/RelatedTables/RelatedTables.tsx b/frontend/packages/erd-core/src/components/ERDRenderer/ERDContent/TableNode/TableDetail/RelatedTables/RelatedTables.tsx
index 0dc6e856..42e9d017 100644
--- a/frontend/packages/erd-core/src/components/ERDRenderer/ERDContent/TableNode/TableDetail/RelatedTables/RelatedTables.tsx
+++ b/frontend/packages/erd-core/src/components/ERDRenderer/ERDContent/TableNode/TableDetail/RelatedTables/RelatedTables.tsx
@@ -1,4 +1,5 @@
 import { convertDBStructureToNodes } from '@/components/ERDRenderer/convertDBStructureToNodes'
+import { openRelatedTablesLogEvent } from '@/features/gtm/utils'
 import {
   replaceHiddenNodeIds,
   updateActiveTableName,
@@ -33,7 +34,10 @@ export const RelatedTables: FC<Props> = ({ table }) => {
 
     replaceHiddenNodeIds(hiddenNodeIds)
     updateActiveTableName(undefined)
-  }, [nodes, getNodes])
+    openRelatedTablesLogEvent({
+      tableId: table.name,
+    })
+  }, [nodes, getNodes, table.name])
 
   return (
     <div className={styles.wrapper}>
diff --git a/frontend/packages/erd-core/src/features/gtm/utils/index.ts b/frontend/packages/erd-core/src/features/gtm/utils/index.ts
index bd571fa8..4d428a4c 100644
--- a/frontend/packages/erd-core/src/features/gtm/utils/index.ts
+++ b/frontend/packages/erd-core/src/features/gtm/utils/index.ts
@@ -1,3 +1,4 @@
 export * from './clickLogEvent'
 export * from './selectTableLogEvent'
 export * from './toggleLogEvent'
+export * from './openRelatedTablesLogEvent'
diff --git a/frontend/packages/erd-core/src/features/gtm/utils/openRelatedTablesLogEvent.ts b/frontend/packages/erd-core/src/features/gtm/utils/openRelatedTablesLogEvent.ts
new file mode 100644
index 00000000..934fbb6e
--- /dev/null
+++ b/frontend/packages/erd-core/src/features/gtm/utils/openRelatedTablesLogEvent.ts
@@ -0,0 +1,14 @@
+import { pushToDataLayer } from './pushToDataLayer'
+
+type OpenRelatedTablesLogEvent = {
+  tableId: string
+}
+
+export const openRelatedTablesLogEvent = ({
+  tableId,
+}: OpenRelatedTablesLogEvent) => {
+  pushToDataLayer({
+    event: 'openRelatedTables',
+    tableId,
+  })
+}