diff --git a/app/src/main/java/com/annimon/hotarufx/lexer/HotaruLexer.java b/app/src/main/java/com/annimon/hotarufx/lexer/HotaruLexer.java
index cc10f56..e4c88d7 100644
--- a/app/src/main/java/com/annimon/hotarufx/lexer/HotaruLexer.java
+++ b/app/src/main/java/com/annimon/hotarufx/lexer/HotaruLexer.java
@@ -14,7 +14,7 @@ public class HotaruLexer extends Lexer {
     }
 
     private static final String TEXT_CHARS = "'\"";
-    private static final String OPERATOR_CHARS = "(){}:=+-.,";
+    private static final String OPERATOR_CHARS = "(){}:=+-.,@";
 
     private static final Map<String, HotaruTokenId> OPERATORS;
     static {
@@ -29,6 +29,7 @@ public class HotaruLexer extends Lexer {
         OPERATORS.put("-", HotaruTokenId.MINUS);
         OPERATORS.put(".", HotaruTokenId.DOT);
         OPERATORS.put(",", HotaruTokenId.COMMA);
+        OPERATORS.put("@", HotaruTokenId.AT);
     }
 
     public HotaruLexer(String input) {
diff --git a/app/src/main/java/com/annimon/hotarufx/lexer/HotaruTokenId.java b/app/src/main/java/com/annimon/hotarufx/lexer/HotaruTokenId.java
index 00be239..dc8cb33 100644
--- a/app/src/main/java/com/annimon/hotarufx/lexer/HotaruTokenId.java
+++ b/app/src/main/java/com/annimon/hotarufx/lexer/HotaruTokenId.java
@@ -20,6 +20,7 @@ public enum HotaruTokenId {
     COLON(Category.OPERATOR),
     COMMA(Category.OPERATOR),
     DOT(Category.OPERATOR),
+    AT(Category.OPERATOR),
 
     SINGLE_LINE_COMMENT(Category.COMMENT),
     MULTI_LINE_COMMENT(Category.COMMENT),
diff --git a/app/src/main/java/com/annimon/hotarufx/parser/HotaruParser.java b/app/src/main/java/com/annimon/hotarufx/parser/HotaruParser.java
index 18452bb..88c177f 100644
--- a/app/src/main/java/com/annimon/hotarufx/parser/HotaruParser.java
+++ b/app/src/main/java/com/annimon/hotarufx/parser/HotaruParser.java
@@ -16,7 +16,7 @@ public class HotaruParser extends Parser {
         val parser = new HotaruParser(tokens);
         val program = parser.parse();
         if (parser.getParseErrors().hasErrors()) {
-            throw new ParseException();
+            throw new ParseException(parser.getParseErrors().toString());
         }
         return program;
     }
@@ -58,9 +58,14 @@ public class HotaruParser extends Parser {
         if (lookMatch(0, HotaruTokenId.LPAREN)) {
             return functionChain(expr);
         }
+        return objectAccess(expr);
+    }
+
+    private Node objectAccess(Node expr) {
         if (lookMatch(0, HotaruTokenId.DOT)) {
-            final List<Node> indices = variableSuffix();
-            if (indices == null || indices.isEmpty()) return expr;
+            val indices = variableSuffix();
+            if (indices == null || indices.isEmpty())
+                return expr;
 
             if (lookMatch(0, HotaruTokenId.LPAREN)) {
                 // next function call
@@ -159,6 +164,12 @@ public class HotaruParser extends Parser {
             if (lookMatch(0, HotaruTokenId.LPAREN)) {
                 return functionChain(qualifiedNameExpr);
             }
+            // node@prop || map.node@prop
+            if (match(HotaruTokenId.AT)) {
+                val propName = consume(HotaruTokenId.WORD).getText();
+                val expr = new PropertyNode(qualifiedNameExpr, propName);
+                return objectAccess(expr);
+            }
             return qualifiedNameExpr;
         }
 
diff --git a/app/src/main/java/com/annimon/hotarufx/parser/ast/PropertyNode.java b/app/src/main/java/com/annimon/hotarufx/parser/ast/PropertyNode.java
new file mode 100644
index 0000000..4ef7530
--- /dev/null
+++ b/app/src/main/java/com/annimon/hotarufx/parser/ast/PropertyNode.java
@@ -0,0 +1,16 @@
+package com.annimon.hotarufx.parser.ast;
+
+import com.annimon.hotarufx.parser.visitors.ResultVisitor;
+import lombok.RequiredArgsConstructor;
+
+@RequiredArgsConstructor
+public class PropertyNode extends ASTNode {
+
+    public final Node node;
+    public final String property;
+
+    @Override
+    public <R, T> R accept(ResultVisitor<R, T> visitor, T input) {
+        return visitor.visit(this, input);
+    }
+}
diff --git a/app/src/main/java/com/annimon/hotarufx/parser/visitors/InterpreterVisitor.java b/app/src/main/java/com/annimon/hotarufx/parser/visitors/InterpreterVisitor.java
index 7bad326..045fd4e 100644
--- a/app/src/main/java/com/annimon/hotarufx/parser/visitors/InterpreterVisitor.java
+++ b/app/src/main/java/com/annimon/hotarufx/parser/visitors/InterpreterVisitor.java
@@ -61,6 +61,11 @@ public class InterpreterVisitor implements ResultVisitor<Value, Context> {
         return new MapValue(map);
     }
 
+    @Override
+    public Value visit(PropertyNode node, Context context) {
+        return node.node.accept(this, context);
+    }
+
     @Override
     public Value visit(UnaryNode node, Context context) {
         switch (node.operator) {
diff --git a/app/src/main/java/com/annimon/hotarufx/parser/visitors/ResultVisitor.java b/app/src/main/java/com/annimon/hotarufx/parser/visitors/ResultVisitor.java
index 6b8f945..b9b818e 100644
--- a/app/src/main/java/com/annimon/hotarufx/parser/visitors/ResultVisitor.java
+++ b/app/src/main/java/com/annimon/hotarufx/parser/visitors/ResultVisitor.java
@@ -6,6 +6,7 @@ import com.annimon.hotarufx.parser.ast.AssignNode;
 import com.annimon.hotarufx.parser.ast.BlockNode;
 import com.annimon.hotarufx.parser.ast.FunctionNode;
 import com.annimon.hotarufx.parser.ast.MapNode;
+import com.annimon.hotarufx.parser.ast.PropertyNode;
 import com.annimon.hotarufx.parser.ast.UnaryNode;
 import com.annimon.hotarufx.parser.ast.ValueNode;
 import com.annimon.hotarufx.parser.ast.VariableNode;
@@ -17,6 +18,7 @@ public interface ResultVisitor<R, T> {
     R visit(BlockNode node, T t);
     R visit(FunctionNode node, T t);
     R visit(MapNode node, T t);
+    R visit(PropertyNode node, T t);
     R visit(UnaryNode node, T t);
     R visit(ValueNode node, T t);
     R visit(VariableNode node, T t);