diff --git a/lib/db.ts b/lib/db.ts
index b50062d..3a994c5 100644
--- a/lib/db.ts
+++ b/lib/db.ts
@@ -47,6 +47,12 @@ export let tasksCollection: Collection,
 let clientPromise: Promise<MongoClient>;
 export let client: MongoClient;
 
+function compareAccessLists(list1: string[], list2: string[]): boolean {
+  if (list1.length !== list2.length) return false;
+  for (const [i, v] of list1.entries()) if (v !== list2[i]) return false;
+  return true;
+}
+
 export async function connect(): Promise<void> {
   clientPromise = MongoClient.connect("" + get("MONGODB_CONNECTION_URL"), {
     useNewUrlParser: true
@@ -118,6 +124,8 @@ export async function fetchDevice(
 
   function storeParams(obj, path: string, pathLength: number, ts): void {
     if (obj["_timestamp"]) obj["_timestamp"] = +obj["_timestamp"];
+    if (obj["_attributesTimestamp"])
+      obj["_attributesTimestamp"] = +obj["_attributesTimestamp"];
 
     const attrs: Attributes = {};
     let t = obj["_timestamp"] || 1;
@@ -135,6 +143,16 @@ export async function fetchDevice(
 
     if (obj["_object"] != null) attrs.object = [t, obj["_object"] ? 1 : 0];
 
+    if (obj["_notification"] != null) {
+      attrs.notification = [
+        obj["_attributesTimestamp"] || 1,
+        obj["_notification"]
+      ];
+    }
+
+    if (obj["_accessList"] != null)
+      attrs.accessList = [obj["_attributesTimestamp"] || 1, obj["_accessList"]];
+
     res.push([Path.parse(path.slice(0, -1)), t, attrs]);
 
     for (const [k, v] of Object.entries(obj)) {
@@ -331,6 +349,12 @@ export async function saveDevice(
     const object2 = ((diff[2] || {}).object || [])[1];
     const writable2 = ((diff[2] || {}).writable || [])[1];
     const writable1 = ((diff[1] || {}).writable || [])[1];
+    const attributesTimestamp1 = ((diff[1] || {}).notification || [])[0];
+    const attributesTimestamp2 = ((diff[2] || {}).notification || [])[0];
+    const notification1 = ((diff[1] || {}).notification || [])[1];
+    const notification2 = ((diff[2] || {}).notification || [])[1];
+    const accessList1 = ((diff[1] || {}).accessList || [])[1];
+    const accessList2 = ((diff[2] || {}).accessList || [])[1];
 
     switch (path.segments[0]) {
       case "Events":
@@ -457,6 +481,46 @@ export async function saveDevice(
                     path.length ? path.toString() + "._writable" : "_writable"
                   ] = !!writable2;
                 }
+
+                break;
+              case "notification":
+                if (
+                  !diff[1] ||
+                  !diff[1].notification ||
+                  notification2 !== notification1
+                ) {
+                  update["$set"][
+                    path.length
+                      ? path.toString() + "._notification"
+                      : "_notification"
+                  ] = notification2;
+                }
+
+                if (attributesTimestamp2 !== attributesTimestamp1) {
+                  update["$set"][
+                    path.toString() + "._attributesTimestamp"
+                  ] = new Date(attributesTimestamp2);
+                }
+
+                break;
+              case "accessList":
+                if (
+                  !diff[1] ||
+                  !diff[1].accessList ||
+                  !compareAccessLists(accessList2, accessList1)
+                ) {
+                  update["$set"][
+                    path.length
+                      ? path.toString() + "._accessList"
+                      : "_accessList"
+                  ] = accessList2;
+                }
+
+                if (attributesTimestamp2 !== attributesTimestamp1) {
+                  update["$set"][
+                    path.toString() + "._attributesTimestamp"
+                  ] = new Date(attributesTimestamp2);
+                }
             }
           }
         }
@@ -472,6 +536,12 @@ export async function saveDevice(
               if (attrName === "value") {
                 update["$unset"][p + "_type"] = 1;
                 update["$unset"][p + "_timestamp"] = 1;
+              } else if (attrName === "notification") {
+                if (accessList2 == null)
+                  update["$unset"][`${p}_attributesTimestamp`] = 1;
+              } else if (attrName === "accessList") {
+                if (notification2 == null)
+                  update["$unset"][`${p}_attributesTimestamp`] = 1;
               }
             }
           }
diff --git a/lib/device.ts b/lib/device.ts
index a42a09b..1822f3d 100644
--- a/lib/device.ts
+++ b/lib/device.ts
@@ -23,7 +23,9 @@ import { DeviceData, Declaration, Clear } from "./types";
 const CHANGE_FLAGS = {
   object: 2,
   writable: 4,
-  value: 8
+  value: 8,
+  notification: 16,
+  accessList: 32
 };
 
 function parseBool(v): boolean {
diff --git a/lib/session.ts b/lib/session.ts
index b3a2336..931bff2 100644
--- a/lib/session.ts
+++ b/lib/session.ts
@@ -729,9 +729,12 @@ function runDeclarations(
         exist: new Set(),
         object: new Set(),
         writable: new Set(),
-        value: new Set()
+        value: new Set(),
+        notification: new Set(),
+        accessList: new Set()
       },
       spv: new Map(),
+      spa: new Map(),
       gpn: new Set<Path>(),
       gpnPatterns: new Map(),
       tags: new Map(),
@@ -1463,6 +1466,8 @@ function generateGetRpcRequest(sessionContext: SessionContext): GetAcsRequest {
         syncState.refreshAttributes.value.has(p) ||
         syncState.refreshAttributes.object.has(p) ||
         syncState.refreshAttributes.writable.has(p) ||
+        syncState.refreshAttributes.notification.has(p) ||
+        syncState.refreshAttributes.accessList.has(p) ||
         syncState.gpn.has(p)
       ) {
         found = true;
@@ -1491,7 +1496,9 @@ function generateGetRpcRequest(sessionContext: SessionContext): GetAcsRequest {
         syncState.refreshAttributes.value.has(p) ||
         (p.length > path.length &&
           (syncState.refreshAttributes.object.has(p) ||
-            syncState.refreshAttributes.writable.has(p)))
+            syncState.refreshAttributes.writable.has(p) ||
+            syncState.refreshAttributes.notification.has(p) ||
+            syncState.refreshAttributes.accessList.has(p)))
       ) {
         found = true;
         break;
@@ -1599,9 +1606,57 @@ function generateGetRpcRequest(sessionContext: SessionContext): GetAcsRequest {
       };
     }
   }
+
+  if (
+    syncState.refreshAttributes.notification.size ||
+    syncState.refreshAttributes.accessList.size
+  ) {
+    const GPV_BATCH_SIZE = localCache.getConfig(
+      sessionContext.cacheSnapshot,
+      "cwmp.gpvBatchSize",
+      sessionContext.configContext
+    );
+
+    const parameterNames: string[] = [];
+    for (const path of syncState.refreshAttributes.notification) {
+      syncState.refreshAttributes.notification.delete(path);
+      syncState.refreshAttributes.accessList.delete(path);
+      // Need to check in case param is deleted
+      const attrs = sessionContext.deviceData.attributes.get(path);
+      if (attrs) {
+        parameterNames.push(path.toString());
+        if (parameterNames.length >= GPV_BATCH_SIZE) break;
+      }
+    }
+
+    if (parameterNames.length < GPV_BATCH_SIZE) {
+      for (const path of syncState.refreshAttributes.accessList) {
+        syncState.refreshAttributes.accessList.delete(path);
+        const attrs = sessionContext.deviceData.attributes.get(path);
+        if (attrs) {
+          parameterNames.push(path.toString());
+          if (parameterNames.length >= GPV_BATCH_SIZE) break;
+        }
+      }
+    }
+
+    if (parameterNames.length) {
+      return {
+        name: "GetParameterAttributes",
+        parameterNames: parameterNames
+      };
+    }
+  }
+
   return null;
 }
 
+function compareAccessLists(list1: string[], list2: string[]): boolean {
+  if (list1.length !== list2.length) return false;
+  for (const [i, v] of list1.entries()) if (v !== list2[i]) return false;
+  return true;
+}
+
 function generateSetRpcRequest(sessionContext: SessionContext): SetAcsRequest {
   const syncState = sessionContext.syncState;
   if (!syncState) return null;
@@ -1654,7 +1709,7 @@ function generateSetRpcRequest(sessionContext: SessionContext): SetAcsRequest {
     sessionContext.configContext
   );
 
-  const parameterValues: [Path, string | number | boolean, string][] = [];
+  const parameterValues: [string, string | number | boolean, string][] = [];
   for (const [k, v] of syncState.spv) {
     syncState.spv.delete(k);
     const attrs = sessionContext.deviceData.attributes.get(k);
@@ -1673,7 +1728,7 @@ function generateSetRpcRequest(sessionContext: SessionContext): SetAcsRequest {
         val[0] -= val[0] % 1000;
 
       if (val[0] !== curVal[0] || val[1] !== curVal[1])
-        parameterValues.push([k, val[0], val[1]]);
+        parameterValues.push([k.toString(), val[0], val[1]]);
 
       if (parameterValues.length >= GPV_BATCH_SIZE) break;
     }
@@ -1682,19 +1737,44 @@ function generateSetRpcRequest(sessionContext: SessionContext): SetAcsRequest {
   if (parameterValues.length) {
     return {
       name: "SetParameterValues",
-      parameterList: parameterValues.map(
-        p =>
-          [p[0].toString(), p[1], p[2]] as [
-            string,
-            string | number | boolean,
-            string
-          ]
-      ),
+      parameterList: parameterValues,
       DATETIME_MILLISECONDS: DATETIME_MILLISECONDS,
       BOOLEAN_LITERAL: BOOLEAN_LITERAL
     };
   }
 
+  // Set attributes
+  const parameterAttributes: [string, number, string[]][] = [];
+  for (const [k, v] of syncState.spa) {
+    syncState.spa.delete(k);
+    const attrs = sessionContext.deviceData.attributes.get(k);
+
+    if (
+      v.notification != null &&
+      (!attrs.notification || v.notification === attrs.notification[1])
+    )
+      v.notification = null;
+
+    if (
+      v.accessList != null &&
+      (!attrs.accessList ||
+        compareAccessLists(v.accessList, attrs.accessList[1]))
+    )
+      v.accessList = null;
+
+    if (v.notification != null || v.accessList != null)
+      parameterAttributes.push([k.toString(), v.notification, v.accessList]);
+
+    if (parameterAttributes.length >= GPV_BATCH_SIZE) break;
+  }
+
+  if (parameterAttributes.length) {
+    return {
+      name: "SetParameterAttributes",
+      parameterList: parameterAttributes
+    };
+  }
+
   // Downloads
   for (const [p, t] of syncState.downloadsDownload) {
     const attrs = deviceData.attributes.get(p);
@@ -2109,8 +2189,34 @@ function processDeclarations(
               }
             }
           }
-          if (declareAttributeValues && declareAttributeValues.value != null)
-            syncState.spv.set(currentPath, declareAttributeValues.value);
+          if (declareAttributeValues) {
+            if (declareAttributeValues.value != null)
+              syncState.spv.set(currentPath, declareAttributeValues.value);
+
+            if (declareAttributeValues.notification != null) {
+              const spa = syncState.spa.get(currentPath);
+              if (spa) {
+                spa.notification = declareAttributeValues.notification;
+              } else {
+                syncState.spa.set(currentPath, {
+                  notification: declareAttributeValues.notification,
+                  accessList: null
+                });
+              }
+            }
+
+            if (declareAttributeValues.accessList != null) {
+              const spa = syncState.spa.get(currentPath);
+              if (spa) {
+                spa.accessList = declareAttributeValues.accessList;
+              } else {
+                syncState.spa.set(currentPath, {
+                  notification: null,
+                  accessList: declareAttributeValues.accessList
+                });
+              }
+            }
+          }
         }
     }
 
@@ -2243,7 +2349,7 @@ export async function rpcResponse(
       if (p[1] !== rpcReq.instanceValues[p[0]]) {
         const v = device.sanitizeParameterValue([
           rpcReq.instanceValues[p[0]],
-          p[2]
+          p[2] as string
         ]);
         parameterList.push([p[0], v[0], v[1]]);
       }
@@ -2288,6 +2394,21 @@ export async function rpcResponse(
         );
       }
 
+      break;
+    case "GetParameterAttributesResponse":
+      if (rpcReq.name !== "GetParameterAttributes")
+        throw new Error("Response name does not match request name");
+
+      for (const p of rpcRes.parameterList) {
+        toClear = device.set(
+          sessionContext.deviceData,
+          Path.parse(p[0]),
+          timestamp,
+          { notification: [timestamp, p[1]], accessList: [timestamp, p[2]] },
+          toClear
+        );
+      }
+
       break;
     case "GetParameterNamesResponse":
       if (rpcReq.name !== "GetParameterNames")
@@ -2404,6 +2525,38 @@ export async function rpcResponse(
         );
       }
 
+      break;
+    case "SetParameterAttributesResponse":
+      if (rpcReq.name !== "SetParameterAttributes")
+        throw new Error("Response name does not match request name");
+
+      for (const p of rpcReq.parameterList) {
+        let attrs;
+
+        if (p[1] != null && p[2] != null) {
+          attrs = {
+            notification: [timestamp + 1, p[1]],
+            accessList: [timestamp + 1, p[2]]
+          };
+        } else if (p[1] != null) {
+          attrs = {
+            notification: [timestamp + 1, p[1]]
+          };
+        } else if (p[2] != null) {
+          attrs = {
+            accessList: [timestamp + 1, p[2]]
+          };
+        }
+
+        toClear = device.set(
+          sessionContext.deviceData,
+          Path.parse(p[0]),
+          timestamp + 1,
+          attrs,
+          toClear
+        );
+      }
+
       break;
     case "AddObjectResponse":
       toClear = device.set(
@@ -2566,9 +2719,11 @@ export async function rpcFault(
         p => [Path.parse(p.replace(/\.$/, "")), timestamp] as Clear
       );
     } else if (rpcReq.name === "SetParameterValues") {
-      toClear = rpcReq.parameterList.map(
-        p => [Path.parse(p[0].replace(/\.$/, "")), timestamp] as Clear
-      );
+      toClear = (rpcReq.parameterList as [
+        string,
+        string | number | boolean,
+        string
+      ][]).map(p => [Path.parse(p[0].replace(/\.$/, "")), timestamp] as Clear);
     } else if (rpcReq.name === "AddObject") {
       toClear = [[Path.parse(rpcReq.objectName.replace(/\.$/, "")), timestamp]];
     } else if (rpcReq.name === "DeleteObject") {
diff --git a/lib/soap.ts b/lib/soap.ts
index f7c4389..0144125 100644
--- a/lib/soap.ts
+++ b/lib/soap.ts
@@ -188,6 +188,45 @@ function parameterValueList(
     });
 }
 
+function parameterAttributeList(xml: Element): [string, number, string[]][] {
+  return xml.children
+    .filter(e => e.localName === "ParameterAttributeStruct")
+    .map<[string, number, string[]]>(e => {
+      let notificationElement: Element,
+        accessListElement: Element,
+        param: string;
+      for (const c of e.children) {
+        switch (c.localName) {
+          case "Name":
+            param = c.text;
+            break;
+          case "Notification":
+            notificationElement = c;
+            break;
+          case "AccessList":
+            accessListElement = c;
+            break;
+        }
+      }
+
+      const notification = decodeEntities(notificationElement.text);
+      const notif = +notification;
+
+      if (notif !== parseInt(notification)) {
+        warnings.push({
+          message: "Invalid notification attribute",
+          parameter: param
+        });
+      }
+
+      const accessList = accessListElement.children
+        .filter(c => c.localName === "string")
+        .map(c => decodeEntities(c.text));
+
+      return [param, notif, accessList];
+    });
+}
+
 function GetParameterNames(methodRequest): string {
   return `<cwmp:GetParameterNames><ParameterPath>${
     methodRequest.parameterPath
@@ -220,6 +259,23 @@ function GetParameterValuesResponse(xml: Element): CpeGetResponse {
   };
 }
 
+function GetParameterAttributes(methodRequest): string {
+  return `<cwmp:GetParameterAttributes><ParameterNames soap-enc:arrayType="xsd:string[${
+    methodRequest.parameterNames.length
+  }]">${methodRequest.parameterNames
+    .map(p => `<string>${p}</string>`)
+    .join("")}</ParameterNames></cwmp:GetParameterAttributes>`;
+}
+
+function GetParameterAttributesResponse(xml: Element): CpeGetResponse {
+  return {
+    name: "GetParameterAttributesResponse",
+    parameterList: parameterAttributeList(
+      xml.children.find(n => n.localName === "ParameterList")
+    )
+  };
+}
+
 function SetParameterValues(methodRequest): string {
   const params = methodRequest.parameterList.map(p => {
     let val = p[1];
@@ -250,6 +306,34 @@ function SetParameterValuesResponse(xml: Element): CpeSetResponse {
   };
 }
 
+function SetParameterAttributes(methodRequest): string {
+  const params = methodRequest.parameterList.map(p => {
+    return `<SetParameterAttributesStruct><Name>${
+      p[0]
+    }</Name><NotificationChange>${
+      p[1] == null ? "false" : "true"
+    }</NotificationChange><Notification>${
+      p[1] == null ? "" : p[1]
+    }</Notification><AccessListChange>${
+      p[2] == null ? "false" : "true"
+    }</AccessListChange><AccessList>${
+      p[2] == null
+        ? ""
+        : p[2].map(s => `<string>${encodeEntities(s)}</string>`).join("")
+    }</AccessList></SetParameterAttributesStruct>`;
+  });
+
+  return `<cwmp:SetParameterAttributes><ParameterList soap-enc:arrayType="cwmp:SetParameterAttributesStruct[${
+    methodRequest.parameterList.length
+  }]">${params.join("")}</ParameterList></cwmp:SetParameterAttributes>`;
+}
+
+function SetParameterAttributesResponse(): CpeSetResponse {
+  return {
+    name: "SetParameterAttributesResponse"
+  };
+}
+
 function AddObject(methodRequest): string {
   return `<cwmp:AddObject><ObjectName>${
     methodRequest.objectName
@@ -610,9 +694,15 @@ export function request(body: string, cwmpVersion, warn): SoapMessage {
     case "GetParameterValuesResponse":
       rpc.cpeResponse = GetParameterValuesResponse(methodElement);
       break;
+    case "GetParameterAttributesResponse":
+      rpc.cpeResponse = GetParameterAttributesResponse(methodElement);
+      break;
     case "SetParameterValuesResponse":
       rpc.cpeResponse = SetParameterValuesResponse(methodElement);
       break;
+    case "SetParameterAttributesResponse":
+      rpc.cpeResponse = SetParameterAttributesResponse();
+      break;
     case "AddObjectResponse":
       rpc.cpeResponse = AddObjectResponse(methodElement);
       break;
@@ -690,9 +780,15 @@ export function response(rpc): { code: number; headers: {}; data: string } {
       case "GetParameterValues":
         body = GetParameterValues(rpc.acsRequest);
         break;
+      case "GetParameterAttributes":
+        body = GetParameterAttributes(rpc.acsRequest);
+        break;
       case "SetParameterValues":
         body = SetParameterValues(rpc.acsRequest);
         break;
+      case "SetParameterAttributes":
+        body = SetParameterAttributes(rpc.acsRequest);
+        break;
       case "AddObject":
         body = AddObject(rpc.acsRequest);
         break;
diff --git a/lib/types.ts b/lib/types.ts
index e743139..f96cac6 100644
--- a/lib/types.ts
+++ b/lib/types.ts
@@ -51,18 +51,24 @@ export interface Attributes {
   object?: [number, 1 | 0];
   writable?: [number, 1 | 0];
   value?: [number, [string | number | boolean, string]];
+  notification?: [number, number];
+  accessList?: [number, string[]];
 }
 
 export interface AttributeTimestamps {
   object?: number;
   writable?: number;
   value?: number;
+  notification?: number;
+  accessList?: number;
 }
 
 export interface AttributeValues {
   object?: boolean;
   writable?: boolean;
   value?: [string | number | boolean, string?];
+  notification?: number;
+  accessList?: string[];
 }
 
 export interface DeviceData {
@@ -75,12 +81,21 @@ export interface DeviceData {
 
 export type VirtualParameterDeclaration = [
   Path,
-  { path?: number; object?: number; writable?: number; value?: number }?,
+  {
+    path?: number;
+    object?: number;
+    writable?: number;
+    value?: number;
+    notification?: number;
+    accessList?: number;
+  }?,
   {
     path?: [number, number];
     object?: boolean;
     writable?: boolean;
     value?: [string | number | boolean, string?];
+    notification?: number;
+    accessList?: string[];
   }?
 ];
 
@@ -90,8 +105,11 @@ export interface SyncState {
     object: Set<Path>;
     writable: Set<Path>;
     value: Set<Path>;
+    notification: Set<Path>;
+    accessList: Set<Path>;
   };
   spv: Map<Path, [string | number | boolean, string]>;
+  spa: Map<Path, { notification: number; accessList: string[] }>;
   gpn: Set<Path>;
   gpnPatterns: Map<Path, number>;
   tags: Map<Path, boolean>;
@@ -182,7 +200,7 @@ export interface AcsRequest {
 }
 
 export interface GetAcsRequest extends AcsRequest {
-  name: "GetParameterNames" | "GetParameterValues";
+  name: "GetParameterNames" | "GetParameterValues" | "GetParameterAttributes";
   objectName?: string;
   parameterNames?: string[];
   parameterPath?: string;
@@ -193,12 +211,15 @@ export interface GetAcsRequest extends AcsRequest {
 export interface SetAcsRequest extends AcsRequest {
   name:
     | "SetParameterValues"
+    | "SetParameterAttributes"
     | "AddObject"
     | "DeleteObject"
     | "FactoryReset"
     | "Reboot"
     | "Download";
-  parameterList?: [string, string | number | boolean, string][];
+  parameterList?:
+    | [string, string | number | boolean, string][]
+    | [string, number, string[]][];
   instanceValues?: { [param: string]: string | number | boolean };
   objectName?: string;
   DATETIME_MILLISECONDS?: boolean;
@@ -235,15 +256,20 @@ export interface CpeFault {
 }
 
 export interface CpeGetResponse extends CpeResponse {
-  name: "GetParameterNamesResponse" | "GetParameterValuesResponse";
+  name:
+    | "GetParameterNamesResponse"
+    | "GetParameterValuesResponse"
+    | "GetParameterAttributesResponse";
   parameterList?:
     | [string, boolean][]
-    | [string, string | number | boolean, string][];
+    | [string, string | number | boolean, string][]
+    | [string, number, string[]][];
 }
 
 export interface CpeSetResponse extends CpeResponse {
   name:
     | "SetParameterValuesResponse"
+    | "SetParameterAttributesResponse"
     | "AddObjectResponse"
     | "DeleteObjectResponse"
     | "RebootResponse"
@@ -300,11 +326,19 @@ export interface Declaration {
   path: Path;
   pathGet: number;
   pathSet?: [number, number];
-  attrGet?: { object?: number; writable?: number; value?: number };
+  attrGet?: {
+    object?: number;
+    writable?: number;
+    value?: number;
+    notification?: number;
+    accessList?: number;
+  };
   attrSet?: {
     object?: boolean;
     writable?: boolean;
     value?: [string | number | boolean, string?];
+    notification?: number;
+    accessList?: string[];
   };
   defer: boolean;
 }
@@ -312,7 +346,13 @@ export interface Declaration {
 export type Clear = [
   Path,
   number,
-  { object?: number; writable?: number; value?: number }?,
+  {
+    object?: number;
+    writable?: number;
+    value?: number;
+    notification?: number;
+    accessList?: number;
+  }?,
   number?
 ];