diff --git a/src/database/executors/mock.rs b/src/database/executors/mock.rs
index 4a037b6..e734864 100644
--- a/src/database/executors/mock.rs
+++ b/src/database/executors/mock.rs
@@ -85,6 +85,14 @@ impl DatabaseExecutor for MockExecutor {
     Ok("2026-03-10T00:00:00Z".to_string())
   }
 
+  fn auth_origin(&self) -> Result<Option<Value>, String> {
+    Ok(None)
+  }
+
+  fn punc_trigger(&self) -> Result<Option<String>, String> {
+    Ok(None)
+  }
+
   #[cfg(test)]
   fn get_queries(&self) -> Vec<String> {
     MOCK_STATE.with(|state| state.borrow().captured_queries.clone())
diff --git a/src/database/executors/mod.rs b/src/database/executors/mod.rs
index 3923d13..ad97c5e 100644
--- a/src/database/executors/mod.rs
+++ b/src/database/executors/mod.rs
@@ -20,6 +20,12 @@ pub trait DatabaseExecutor: Send + Sync {
   /// Returns the current transaction timestamp
   fn timestamp(&self) -> Result<String, String>;
 
+  /// Returns the current auth.origin session context if configured
+  fn auth_origin(&self) -> Result<Option<Value>, String>;
+
+  /// Returns the current punc.name session context if configured
+  fn punc_trigger(&self) -> Result<Option<String>, String>;
+
   #[cfg(test)]
   fn get_queries(&self) -> Vec<String>;
 
diff --git a/src/database/executors/pgrx.rs b/src/database/executors/pgrx.rs
index e348bd5..f58a90e 100644
--- a/src/database/executors/pgrx.rs
+++ b/src/database/executors/pgrx.rs
@@ -150,4 +150,46 @@ impl DatabaseExecutor for SpiExecutor {
       })
     })
   }
+
+  fn auth_origin(&self) -> Result<Option<Value>, String> {
+    self.transact(|| {
+      Spi::connect(|client| {
+        let mut tup_table = client
+          .select(
+            "SELECT NULLIF(current_setting('auth.origin', true), '')::jsonb",
+            None,
+            &[],
+          )
+          .map_err(|e| format!("SPI Select Error: {}", e))?;
+
+        if let Some(row) = tup_table.next() {
+          if let Ok(Some(jsonb)) = row.get::<pgrx::JsonB>(1) {
+            return Ok(Some(jsonb.0));
+          }
+        }
+        Ok(None)
+      })
+    })
+  }
+
+  fn punc_trigger(&self) -> Result<Option<String>, String> {
+    self.transact(|| {
+      Spi::connect(|client| {
+        let mut tup_table = client
+          .select(
+            "SELECT NULLIF(current_setting('punc.name', true), '')",
+            None,
+            &[],
+          )
+          .map_err(|e| format!("SPI Select Error: {}", e))?;
+
+        if let Some(row) = tup_table.next() {
+          if let Ok(val_opt) = row.get::<String>(1) {
+            return Ok(val_opt);
+          }
+        }
+        Ok(None)
+      })
+    })
+  }
 }
diff --git a/src/database/mod.rs b/src/database/mod.rs
index e36ff1e..dc8fad2 100644
--- a/src/database/mod.rs
+++ b/src/database/mod.rs
@@ -206,6 +206,16 @@ impl Database {
     self.executor.timestamp()
   }
 
+  /// Returns the current auth.origin session context if configured
+  pub fn auth_origin(&self) -> Result<Option<Value>, String> {
+    self.executor.auth_origin()
+  }
+
+  /// Returns the current punc.name session context if configured
+  pub fn punc_trigger(&self) -> Result<Option<String>, String> {
+    self.executor.punc_trigger()
+  }
+
   pub fn compile(&mut self, errors: &mut Vec<crate::drop::Error>) {
     // Phase 1: Registration
     self.collect_schemas(errors);
diff --git a/src/merger/mod.rs b/src/merger/mod.rs
index 851bc05..7941d0e 100644
--- a/src/merger/mod.rs
+++ b/src/merger/mod.rs
@@ -946,7 +946,25 @@ impl Merger {
       Value::Object(old_vals)
     };
 
+    let origin = match self.db.auth_origin() {
+      Ok(Some(orig)) => orig,
+      _ => serde_json::json!({
+        "kind": "user",
+        "user_id": user_id
+      }),
+    };
+
+    let trigger = match self.db.punc_trigger() {
+      Ok(Some(trig)) => trig,
+      _ => "merge_entity".to_string(),
+    };
+
+    let entity_type_name = type_name.as_str().unwrap_or(&type_obj.name);
+
     let mut notification = serde_json::Map::new();
+    notification.insert("type".to_string(), Value::String(entity_type_name.to_string()));
+    notification.insert("trigger".to_string(), Value::String(trigger));
+    notification.insert("origin".to_string(), origin.clone());
     notification.insert("complete".to_string(), Value::Object(complete));
     notification.insert("new".to_string(), new_val_obj.clone());
 
@@ -961,14 +979,16 @@ impl Merger {
     let mut notify_sql = None;
     if type_obj.historical && change_kind != "replace" {
       let change_sql = format!(
-        "INSERT INTO agreego.change (\"old\", \"new\", entity_id, id, kind, modified_at, modified_by) VALUES ({}, {}, {}, {}, {}, {}, {})",
+        "INSERT INTO agreego.change (\"old\", \"new\", entity_id, id, kind, modified_at, modified_by, origin, entity_type) VALUES ({}, {}, {}, {}, {}, {}, {}, {}, {})",
         Self::quote_literal(&old_val_obj),
         Self::quote_literal(&new_val_obj),
         Self::quote_literal(id_str),
         Self::quote_literal(&Value::String(uuid::Uuid::new_v4().to_string())),
         Self::quote_literal(&Value::String(change_kind.to_string())),
         Self::quote_literal(&Value::String(timestamp.to_string())),
-        Self::quote_literal(&Value::String(user_id.to_string()))
+        Self::quote_literal(&Value::String(user_id.to_string())),
+        Self::quote_literal(&origin),
+        Self::quote_literal(&Value::String(entity_type_name.to_string()))
       );
 
       self.db.execute(&change_sql, None)?;