diff --git a/libraries/adaptive-expressions/src/expressionFunctions.ts b/libraries/adaptive-expressions/src/expressionFunctions.ts
index 3e30f4cc3d..f2e7d61d5b 100644
--- a/libraries/adaptive-expressions/src/expressionFunctions.ts
+++ b/libraries/adaptive-expressions/src/expressionFunctions.ts
@@ -817,7 +817,7 @@ export class ExpressionFunctions {
      * @param expression 
      * @param state 
      */
-    private static tryAccumulatePath(expression: Expression, state: MemoryInterface): {path: string; left: Expression; error: string} {
+    public static tryAccumulatePath(expression: Expression, state: MemoryInterface): {path: string; left: Expression; error: string} {
         let path = '';
         let left = expression;
         while (left !== undefined) {
@@ -833,11 +833,14 @@ export class ExpressionFunctions {
                     return {path: undefined, left: undefined, error};
                 }
 
-                if (isNaN(parseInt(value)) && typeof value !== 'string') {
+                if (ExpressionFunctions.isNumber(parseInt(value))) {
+                    path = `[${ value }].${ path }`;
+                } else if (typeof value === 'string'){
+                    path = `['${ value }'].${ path }`;
+                } else {
                     return {path: undefined, left: undefined, error:`${ left.children[1].toString() } dones't return a int or string`};
                 }
 
-                path = `[${ value }].${ path }`;
                 left = left.children[0];
             } else {
                 break;
diff --git a/libraries/adaptive-expressions/src/memory/simpleObjectMemory.ts b/libraries/adaptive-expressions/src/memory/simpleObjectMemory.ts
index 4d9ab9df12..d25106fe85 100644
--- a/libraries/adaptive-expressions/src/memory/simpleObjectMemory.ts
+++ b/libraries/adaptive-expressions/src/memory/simpleObjectMemory.ts
@@ -1,5 +1,6 @@
 import { MemoryInterface } from './memoryInterface';
 import { Extensions } from '../extensions';
+import { Util } from '../parser/util';
 
 /**
  * @module adaptive-expressions
@@ -39,7 +40,15 @@ export class SimpleObjectMemory implements MemoryInterface {
             return undefined;
         }
 
-        const parts: string[] = path.split(/[.\[\]]+/).filter((u: string): boolean => u !== undefined && u !== '');
+        const parts: string[] = path.split(/[.\[\]]+/)
+            .filter((u: string): boolean => u !== undefined && u !== '')
+            .map((u: string): string => {
+                if ((u.startsWith('"') && u.endsWith('"')) || (u.startsWith('\'') && u.endsWith('\''))) {
+                    return u.substr(1, u.length - 2);
+                } else {
+                    return u;
+                }
+            });
         let value: any;
         let curScope = this.memory;
 
@@ -74,7 +83,15 @@ export class SimpleObjectMemory implements MemoryInterface {
             return;;
         }
 
-        const parts: string[] = path.split(/[.\[\]]+/).filter((u: string): boolean => u !== undefined && u !== '');
+        const parts: string[] = path.split(/[.\[\]]+/)
+            .filter((u: string): boolean => u !== undefined && u !== '')
+            .map((u: string): string => {
+                if ((u.startsWith('"') && u.endsWith('"')) || (u.startsWith('\'') && u.endsWith('\''))) {
+                    return u.substr(1, u.length - 2);
+                } else {
+                    return u;
+                }
+            });
         let curScope: any = this.memory;
         let curPath = '';
         let error: string = undefined;
diff --git a/libraries/adaptive-expressions/tests/expression.test.js b/libraries/adaptive-expressions/tests/expression.test.js
index f0c66a643c..b6af289f7f 100644
--- a/libraries/adaptive-expressions/tests/expression.test.js
+++ b/libraries/adaptive-expressions/tests/expression.test.js
@@ -1,6 +1,6 @@
 /* eslint-disable @typescript-eslint/no-use-before-define */
 /* eslint-disable @typescript-eslint/no-var-requires */
-const { ExpressionEngine, Extensions } = require('../');
+const { ExpressionEngine, Extensions, SimpleObjectMemory, ExpressionFunctions } = require('../');
 const assert = require('assert');
 const moment = require('moment');
 
@@ -645,6 +645,43 @@ describe('expression functional test', () => {
             }
         }
     });
+
+    it('Test AccumulatePath', () => {
+        const scope = {
+            f: 'foo',
+            b: 'bar',
+            z: {
+                z: 'zar'
+            },
+            n: 2
+        };
+        const memory = new SimpleObjectMemory(scope);
+        let parser = new ExpressionEngine();
+        
+        // normal case, note, we doesn't append a " yet
+        let exp = parser.parse('a[f].b[n].z');
+        let path = undefined;
+        let left = undefined;
+        let error = undefined;
+        ({path, left, error} = ExpressionFunctions.tryAccumulatePath(exp, memory));
+        assert.strictEqual(path, 'a[\'foo\'].b[2].z');
+
+        // normal case
+        exp = parser.parse('a[z.z][z.z].y');
+        ({path, left, error} = ExpressionFunctions.tryAccumulatePath(exp, memory));
+        assert.strictEqual(path, 'a[\'zar\'][\'zar\'].y');
+
+        // normal case
+        exp = parser.parse('a.b[z.z]');
+        ({path, left, error} = ExpressionFunctions.tryAccumulatePath(exp, memory));
+        assert.strictEqual(path, 'a.b[\'zar\']');
+        
+        // stop evaluate at middle
+        exp = parser.parse('json(x).b');
+        ({path, left, error} = ExpressionFunctions.tryAccumulatePath(exp, memory));
+        assert.strictEqual(path, 'b');
+        
+    });
 });
 
 var isArraySame = (actual, expected) => { //return [isSuccess, errorMessage]
diff --git a/libraries/botbuilder-lg/tests/lg.test.js b/libraries/botbuilder-lg/tests/lg.test.js
index 5bcfe10630..5f5217adf7 100644
--- a/libraries/botbuilder-lg/tests/lg.test.js
+++ b/libraries/botbuilder-lg/tests/lg.test.js
@@ -742,4 +742,33 @@ describe('LG', function() {
         evaled = LGFile.evaluateTemplate('StringTemplateWithTemplateRef');
         assert.strictEqual(evaled, 'hello jack , welcome. nice weather!'); 
     });
+
+    it('TestMemoryAccessPath', function() {
+        var LGFile = LGParser.parseFile(GetExampleFilePath('MemoryAccess.lg'));
+
+        const scope = {
+            myProperty: {
+                name: 'p1'
+            },
+            turn: {
+                properties: {
+                    p1: {
+                        enum: 'p1enum'
+                    }
+                }
+            }
+        };
+
+        // this evaulate will hit memory access twice
+        // first for "property", and get "p1", from local
+        // sencond for "turn.property[p1].enum" and get "p1enum" from global
+        var evaled = LGFile.evaluateTemplate('T1', scope);
+        assert.strictEqual(evaled, 'p1enum');
+
+        // this evaulate will hit memory access twice
+        // first for "myProperty.name", and get "p1", from global
+        // sencond for "turn.property[p1].enum" and get "p1enum" from global 
+        evaled = LGFile.evaluateTemplate('T3', scope);
+        assert.strictEqual(evaled, 'p1enum');
+    });
 });
diff --git a/libraries/botbuilder-lg/tests/testData/examples/MemoryAccess.lg b/libraries/botbuilder-lg/tests/testData/examples/MemoryAccess.lg
new file mode 100644
index 0000000000..fade009209
--- /dev/null
+++ b/libraries/botbuilder-lg/tests/testData/examples/MemoryAccess.lg
@@ -0,0 +1,8 @@
+# T1
+- ${T2("p1")}
+
+# T2(property)
+- ${turn.properties[property].enum}
+
+# T3
+- ${turn.properties[myProperty.name].enum}
\ No newline at end of file