diff --git a/CHANGELOG.md b/CHANGELOG.md
index cd86aabe..6544e047 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,15 @@
     *Giovanni Troisi*  
 ### **Copyrigth**: *Tiledesk SRL*
 
-### 1.18.0 in PROD
+### 1.18.0-rc.5
+👉 **added**: history property to cds-action-askkbv2
+
+### 1.18.0-rc.4
+👉 **added**: ani, dnis and callId voice property 
+👉 **added**: disabled option to select base component
+
+### 1.18.0-rc.3
+👉 **added**: description msg for ignoreOperatingHours property into cds-action-online-agents
 
 ### 1.18.0-rc.2
 👉 **added**: implement time slots on cds-action-operating-hours 
diff --git a/package-lock.json b/package-lock.json
index 89500cfa..ad12cfaf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@tiledesk/cds",
-  "version": "1.18.0",
+  "version": "1.18.0-rc.5",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 7fe47402..a19010c9 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@tiledesk/cds",
   "author": "Tiledesk SRL",
-  "version": "1.18.0",
+  "version": "1.18.0-rc.5",
   "license": "MIT",
   "homepage": "https://www.tiledesk.com",
   "repository": {
diff --git a/src/app/chatbot-design-studio/cds-base-element/select/select.component.scss b/src/app/chatbot-design-studio/cds-base-element/select/select.component.scss
index 7bbbc216..88f1437e 100644
--- a/src/app/chatbot-design-studio/cds-base-element/select/select.component.scss
+++ b/src/app/chatbot-design-studio/cds-base-element/select/select.component.scss
@@ -56,6 +56,16 @@
                 text-overflow: ellipsis;
             }
 
+
+            &.ng-option-disabled {
+                
+                pointer-events: none;
+                .label-select{
+                    color: #ccc;
+
+                }
+            }
+
             // &.ng-option-marked {
             //     // background-color: rgba(var(--blu-light-02), .23) !important;
             // }
diff --git a/src/app/chatbot-design-studio/cds-dashboard/cds-canvas/actions/list/cds-action-gpt-task/cds-action-gpt-task.component.html b/src/app/chatbot-design-studio/cds-dashboard/cds-canvas/actions/list/cds-action-gpt-task/cds-action-gpt-task.component.html
index aa158c2b..091ae19e 100644
--- a/src/app/chatbot-design-studio/cds-dashboard/cds-canvas/actions/list/cds-action-gpt-task/cds-action-gpt-task.component.html
+++ b/src/app/chatbot-design-studio/cds-dashboard/cds-canvas/actions/list/cds-action-gpt-task/cds-action-gpt-task.component.html
@@ -98,6 +98,17 @@
         </cds-textarea>
     </div>
 
+
+    <div class="field-box">
+        <section class="disable-input-message-section">
+            <mat-checkbox 
+                [checked]="action?.history"
+                (change)="onChangeCheckbox('history')">
+                {{"CDSCanvas.UseChatHistoryInPrompt" | translate}}
+            </mat-checkbox>
+        </section>
+    </div>
+
     <div style="width: 100%; display: flex; justify-content: flex-end; margin: 30px 0px 10px 0px">
         <button id="cds-publish-btn" class="btn btn-primary cds-blue-button" type="button" 
             [disabled]="!action.question" (click)="execPreview()">
diff --git a/src/app/chatbot-design-studio/cds-dashboard/cds-canvas/actions/list/cds-action-gpt-task/cds-action-gpt-task.component.ts b/src/app/chatbot-design-studio/cds-dashboard/cds-canvas/actions/list/cds-action-gpt-task/cds-action-gpt-task.component.ts
index 74715bf0..d1859cc6 100644
--- a/src/app/chatbot-design-studio/cds-dashboard/cds-canvas/actions/list/cds-action-gpt-task/cds-action-gpt-task.component.ts
+++ b/src/app/chatbot-design-studio/cds-dashboard/cds-canvas/actions/list/cds-action-gpt-task/cds-action-gpt-task.component.ts
@@ -233,6 +233,15 @@ export class CdsActionGPTTaskComponent implements OnInit {
     this.updateAndSaveAction.emit();
   }
 
+  onChangeCheckbox(target){
+    try {
+      this.action[target] = !this.action[target];
+      this.updateAndSaveAction.emit({type: TYPE_UPDATE_ACTION.ACTION, element: this.action});
+    } catch (error) {
+      this.logger.log("Error: ", error);
+    }
+  }
+
   onChangeBlockSelect(event:{name: string, value: string}, type: 'trueIntent' | 'falseIntent') {
     if(event){
       this.action[type]=event.value
diff --git a/src/app/chatbot-design-studio/cds-dashboard/cds-canvas/actions/list/cds-action-lead-update/cds-action-lead-update.component.ts b/src/app/chatbot-design-studio/cds-dashboard/cds-canvas/actions/list/cds-action-lead-update/cds-action-lead-update.component.ts
index d5219afc..7a8ae3b4 100644
--- a/src/app/chatbot-design-studio/cds-dashboard/cds-canvas/actions/list/cds-action-lead-update/cds-action-lead-update.component.ts
+++ b/src/app/chatbot-design-studio/cds-dashboard/cds-canvas/actions/list/cds-action-lead-update/cds-action-lead-update.component.ts
@@ -48,6 +48,7 @@ export class CdsActionLeadUpdateComponent implements OnInit {
 
   private initialize() {
     this.leadPropertyFormGroup = this.buildForm();
+    this.leadPropertyListFiltered.forEach(el => Object.keys(this.action.update).includes(el.name)? el.disabled= true:  el.disabled = false)
   }
 
   buildForm(): FormGroup{
@@ -74,6 +75,7 @@ export class CdsActionLeadUpdateComponent implements OnInit {
       this.action.update[form.key] = form.value;
       this.showPlaceholder = false;
       this.showCards = true;
+      this.leadPropertyListFiltered.forEach(el => Object.keys(this.action.update).includes(el.name)? el.disabled= true:  el.disabled = false)
       this.leadPropertyFormGroup.reset();
       this.updateAndSaveAction.emit();
     }
@@ -81,12 +83,14 @@ export class CdsActionLeadUpdateComponent implements OnInit {
 
   onAddNewProperty(){
     this.logger.log("[ACTION-LEAD-UPDATE] onAddNewProperty ADD : ", this.showPlaceholder)
+    this.leadPropertyListFiltered.forEach(el => Object.keys(this.action.update).includes(el.name)? el.disabled= true:  el.disabled = false)
     this.showPlaceholder = true;
   }
 
   onDeleteProperty(index: number, key: string){
     this.logger.log("[ACTION-LEAD-UPDATE] onDeleteProperty index : ", index)
     delete this.action.update[key];
+    this.leadPropertyListFiltered.forEach(el => Object.keys(this.action.update).includes(el.name)? el.disabled= true:  el.disabled = false)
     if(this.action && Object.keys(this.action.update).length === 0){
       this.showCards = false;
       this.showPlaceholder = true;
diff --git a/src/app/chatbot-design-studio/cds-dashboard/cds-canvas/cds-panel-action-detail/cds-panel-action-detail.component.html b/src/app/chatbot-design-studio/cds-dashboard/cds-canvas/cds-panel-action-detail/cds-panel-action-detail.component.html
index 0ab56e1a..67b1e9b3 100644
--- a/src/app/chatbot-design-studio/cds-dashboard/cds-canvas/cds-panel-action-detail/cds-panel-action-detail.component.html
+++ b/src/app/chatbot-design-studio/cds-dashboard/cds-canvas/cds-panel-action-detail/cds-panel-action-detail.component.html
@@ -1,4 +1,4 @@
-<div class="panel-intent-detail">
+<div class="panel-intent-detail" [class.minimize]="!maximize" [class.maximize]="maximize">
     <div class="header-panel">
         <cds-action-description
             [actionSelected]="elementIntentSelectedType === typeIntentElement.ACTION? elementSelected : null"
@@ -6,6 +6,11 @@
             [showTip]="elementIntentSelectedType === typeIntentElement.ACTION? true : false"
             [previewMode]="false">
         </cds-action-description>
+        
+        <div class="header-options-wrp icon-action" (click)="maximize = !maximize">
+            <img src="assets/images/icons/fold.svg" class="active-icon" [title]="'Maximize' | translate" *ngIf="!maximize">
+            <img src="assets/images/icons/unfold.svg" class="active-icon" [title]="'Minimize' | translate" *ngIf="maximize">
+        </div>
     </div>
 
     <div id="content-panel" class="content-panel">
diff --git a/src/app/chatbot-design-studio/cds-dashboard/cds-canvas/cds-panel-action-detail/cds-panel-action-detail.component.scss b/src/app/chatbot-design-studio/cds-dashboard/cds-canvas/cds-panel-action-detail/cds-panel-action-detail.component.scss
index 2c13ed25..4b2b11c8 100644
--- a/src/app/chatbot-design-studio/cds-dashboard/cds-canvas/cds-panel-action-detail/cds-panel-action-detail.component.scss
+++ b/src/app/chatbot-design-studio/cds-dashboard/cds-canvas/cds-panel-action-detail/cds-panel-action-detail.component.scss
@@ -1,10 +1,13 @@
-$margin-left: 10px;
-$padding: 10px; 
+:host{
+    $margin-left: 10px;
+    $padding: 10px; 
+    --panel-width: 480px;
+}
 
 .panel-intent-detail {
     // position: relative;
     display: block;
-    width: 480px;
+    width: var(--panel-width);
     min-width: 400px;
     height: 100%; //auto
     max-height: 100%;
@@ -15,6 +18,14 @@ $padding: 10px;
     border-left: 1px solid var(--gray-light-02);
     // margin: 0 auto 0 auto; // nk
     inset: 0 0 0 200px;
+
+    &.minimize {
+        --panel-width: 480px;
+    }
+
+    &.maximize {
+        --panel-width: 680px;
+    }
 }
 
 .header-panel {
@@ -24,7 +35,22 @@ $padding: 10px;
     right: 0;
     background-color: var(--blu-light-03);
     z-index: 2;
+
+    display: flex;
+    align-items: center;
+    cds-action-description{
+        width: 100%;
+    }
 }
+
+.header-options-wrp{
+    display: flex;
+    padding: 10px;
+    &:hover{
+        cursor: pointer;
+    }
+}
+
 .content-panel{
     // height: calc(100% - 73px); // nk
     // height: calc(100% - 100px); // nk
diff --git a/src/app/chatbot-design-studio/cds-dashboard/cds-canvas/cds-panel-action-detail/cds-panel-action-detail.component.ts b/src/app/chatbot-design-studio/cds-dashboard/cds-canvas/cds-panel-action-detail/cds-panel-action-detail.component.ts
index db6d26b9..43afdcc0 100644
--- a/src/app/chatbot-design-studio/cds-dashboard/cds-canvas/cds-panel-action-detail/cds-panel-action-detail.component.ts
+++ b/src/app/chatbot-design-studio/cds-dashboard/cds-canvas/cds-panel-action-detail/cds-panel-action-detail.component.ts
@@ -1,4 +1,4 @@
-import { Component, OnInit, Input, Output, EventEmitter, OnChanges, SimpleChanges, ChangeDetectorRef, TemplateRef, ViewContainerRef, HostListener } from '@angular/core';
+import { Component, OnInit, Input, Output, EventEmitter, OnChanges, SimpleChanges, ChangeDetectorRef, TemplateRef, ViewContainerRef, HostListener, ElementRef } from '@angular/core';
 import { Subject, Subscription } from 'rxjs';
 import { ConnectorService } from '../../../services/connector.service';
 import { IntentService } from '../../../services/intent.service';
@@ -40,9 +40,10 @@ export class CdsActionDetailPanelComponent implements OnInit, OnChanges {
   elementIntentSelectedType: string;
   openCardButton = false;
 
+  maximize: boolean = false;
 
-   /** panel reply button configuaration */
-   private subscriptionIntent: Subscription;
+  /** panel reply button configuaration */
+  private subscriptionIntent: Subscription;
 
   
   canShowActionByPlan: { plan: PLAN_NAME, enabled: boolean}= { plan: PLAN_NAME.A, enabled: true}
diff --git a/src/app/chatbot-design-studio/utils-actions.ts b/src/app/chatbot-design-studio/utils-actions.ts
index 6121cc40..e8ce46bf 100644
--- a/src/app/chatbot-design-studio/utils-actions.ts
+++ b/src/app/chatbot-design-studio/utils-actions.ts
@@ -96,7 +96,7 @@ export const ACTIONS_LIST: {[key: string]: {name: string, category: TYPE_ACTION_
     REPLACE_BOTV2:          { name: 'CDSActionList.NAME.ReplaceBot',            category: TYPE_ACTION_CATEGORY.FLOW,                type: TYPE_ACTION.REPLACE_BOTV2,        src: "assets/images/actions/replace_bot.svg",           status: "active",                       description: "CDSActionList.DESCRIPTION.ReplaceBot"                                                             },
     WAIT :                  { name: 'CDSActionList.NAME.Wait',                  category: TYPE_ACTION_CATEGORY.FLOW,                type: TYPE_ACTION.WAIT,                 src:"assets/images/actions/wait.svg",                   status: "active",                       description: "CDSActionList.DESCRIPTION.Wait"                                                                   },
     CAPTURE_USER_REPLY:     { name: 'CDSActionList.NAME.CaptureUserReply',      category: TYPE_ACTION_CATEGORY.FLOW, type: TYPE_ACTION.CAPTURE_USER_REPLY,                  src: "assets/images/actions/capture_user_reply.svg",    status: "active",                       description: "CDSActionList.DESCRIPTION.CaptureUserReply"                                                       },
-    LEAD_UPDATE :           { name: 'CDSActionList.NAME.LeadUpdate',            category: TYPE_ACTION_CATEGORY.FLOW,                type: TYPE_ACTION.LEAD_UPDATE,          src:"assets/images/actions/lead_update.svg",            status: "inactive",                     description: "CDSActionList.DESCRIPTION.LeadUpdate"                                                             },
+    LEAD_UPDATE :           { name: 'CDSActionList.NAME.LeadUpdate',            category: TYPE_ACTION_CATEGORY.FLOW,                type: TYPE_ACTION.LEAD_UPDATE,          src:"assets/images/actions/lead_update.svg",            status: "active",                       description: "CDSActionList.DESCRIPTION.LeadUpdate"                                                             },
     // WEB_REQUEST : { name: 'CDSActionList.NAME.WebRequest',category: TYPE_ACTION_CATEGORY.INTEGRATIONS, type: TYPE_ACTION.WEB_REQUEST, src:"assets/images/actions/web_request.svg", status: "active", description: ''},
     ASKGPT:                 { name: 'CDSActionList.NAME.AskTheKnowledgeBase',   category: TYPE_ACTION_CATEGORY.AI,                  type: TYPE_ACTION.ASKGPT,               src: "assets/images/actions/ask_to_kb.svg",             status: "inactive",                     description: "CDSActionList.DESCRIPTION.AskTheKnowledgeBase"                                                    },
     ASKGPTV2:               { name: 'CDSActionList.NAME.AskTheKnowledgeBase',   category: TYPE_ACTION_CATEGORY.AI,                  type: TYPE_ACTION.ASKGPTV2,             src: "assets/images/actions/ask_to_kb.svg",             status: "active",                       description: "CDSActionList.DESCRIPTION.AskTheKnowledgeBase"                                                    },
diff --git a/src/app/chatbot-design-studio/utils-variables.ts b/src/app/chatbot-design-studio/utils-variables.ts
index f8f1f979..f1b2fd24 100644
--- a/src/app/chatbot-design-studio/utils-variables.ts
+++ b/src/app/chatbot-design-studio/utils-variables.ts
@@ -72,19 +72,22 @@ export var variableList: Array<{key: string, elements: Array<any>}> = [
             { name: 'voice Name',                               value: 'voiceName',                         description: 'CDSvariablesList.voiceFlowElements.voiceName.description',                                    src: '', icon:'person'},
             { name: 'event',                                    value: 'event',                             description: 'CDSvariablesList.voiceFlowElements.event.description',                                        src: '', icon:'perm_phone_msg'},
             { name: 'last block',                               value: 'lastBlock',                         description: 'CDSvariablesList.voiceFlowElements.lastBlock.description',                                    src: '', icon:'perm_phone_msg'},
+            { name: 'callId',                                   value: 'callId',                            description: 'CDSvariablesList.voiceFlowElements.callId.description',                                       src: '', icon:'perm_phone_msg'},
+            { name: 'dnis',                                     value: 'dnis',                              description: 'CDSvariablesList.voiceFlowElements.dnis.description',                                         src: '', icon:'perm_phone_msg'},
+            { name: 'ani',                                      value: 'ani',                               description: 'CDSvariablesList.voiceFlowElements.ani.description',                                          src: '', icon:'perm_phone_msg'},
         ]
     }
 ]
 
 
-export const leadPropertyList: Array<{ name: string, value: string, description?: string, src?: string, icon?: string}> = [
-    { name: 'email',                value: 'email'          },
-    { name: 'fullname',             value: 'fullname'       },
-    { name: 'phone',                value: 'phone'          },
-    { name: 'company',              value: 'company'        },
-    { name: 'streetAddress',        value: 'streetAddress'  },
-    { name: 'city',                 value: 'city'           },
-    { name: 'region',               value: 'region'         },
-    { name: 'zipcode',              value: 'zipcode'        },
-    { name: 'country',              value: 'country'        }
+export const leadPropertyList: Array<{ name: string, value: string, disabled: boolean, description?: string, src?: string, icon?: string}> = [
+    { name: 'email',                value: 'email',             disabled: false },
+    { name: 'fullname',             value: 'fullname',          disabled: false },
+    { name: 'phone',                value: 'phone',             disabled: false },
+    { name: 'company',              value: 'company',           disabled: false },
+    { name: 'streetAddress',        value: 'streetAddress',     disabled: false },
+    { name: 'city',                 value: 'city',              disabled: false },
+    { name: 'region',               value: 'region',            disabled: false },
+    { name: 'zipcode',              value: 'zipcode',           disabled: false },
+    { name: 'country',              value: 'country',           disabled: false }
 ]
\ No newline at end of file
diff --git a/src/app/models/action-model.ts b/src/app/models/action-model.ts
index 7c59842f..21d5ffc1 100644
--- a/src/app/models/action-model.ts
+++ b/src/app/models/action-model.ts
@@ -383,6 +383,7 @@ export class ActionGPTTask extends Action {
     question: string;
     assignReplyTo: string;
     context: string;
+    history: boolean;
     max_tokens: number;
     temperature: number;
     model: string;
diff --git a/src/assets/i18n/en.json b/src/assets/i18n/en.json
index 21dd4ca4..ca0ea897 100644
--- a/src/assets/i18n/en.json
+++ b/src/assets/i18n/en.json
@@ -51,6 +51,8 @@
     "SelectDepartment": "Select department",
     "RelatedKnowledgeBase": "Related Knowledge Base",
     "ChooseALanguage": "Choose a language",
+    "Maximize":"Maximize",
+    "Minimize":"Minimize",
     "BotsAddEditPage": {
         "AddBot": "Add Bot",
         "EditBot": "Edit Bot",
diff --git a/src/assets/images/hours.svg b/src/assets/images/hours.svg
deleted file mode 100644
index e5a523c9..00000000
--- a/src/assets/images/hours.svg
+++ /dev/null
@@ -1,5 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" height="20px" viewBox="0 0 24 24" width="20px" fill="none">
-                <path d="M0 0h24v24H0V0z" fill="none" />
-                <path
-                    d="M12 7V3H2v18h20V7H12zM6 19H4v-2h2v2zm0-4H4v-2h2v2zm0-4H4V9h2v2zm0-4H4V5h2v2zm4 12H8v-2h2v2zm0-4H8v-2h2v2zm0-4H8V9h2v2zm0-4H8V5h2v2zm10 12h-8v-2h2v-2h-2v-2h2v-2h-2V9h8v10zm-2-8h-2v2h2v-2zm0 4h-2v2h2v-2z" />
-            </svg>
\ No newline at end of file
diff --git a/src/assets/images/icons/fold.svg b/src/assets/images/icons/fold.svg
new file mode 100644
index 00000000..c25768f6
--- /dev/null
+++ b/src/assets/images/icons/fold.svg
@@ -0,0 +1,6 @@
+<svg id="Layer_1" data-name="Layer 1" xmlns="http://www.w3.org/2000/svg" version="1.1" viewBox="0 0 48 48" fill="#000">
+  <polygon points="15.6 13.8 15.6 34.2 5.4 24 15.6 13.8"/>
+  <rect x="21.8" y="20.4" width="20.8" height="7.2"/>
+  <rect x="5.4" y="4.8" width="37.2" height="7.2"/>
+  <rect x="5.4" y="36" width="37.2" height="7.2"/>
+</svg>
\ No newline at end of file
diff --git a/src/assets/images/icons/unfold.svg b/src/assets/images/icons/unfold.svg
new file mode 100644
index 00000000..c774b08a
--- /dev/null
+++ b/src/assets/images/icons/unfold.svg
@@ -0,0 +1,6 @@
+<svg xmlns="http://www.w3.org/2000/svg" version="1.1" viewBox="0 0 48 48" fill="#000">
+  <polygon points="32.4 34.2 32.4 13.8 42.6 24 32.4 34.2"/>
+  <rect x="5.4" y="20.4" width="20.8" height="7.2"/>
+  <rect x="5.4" y="4.8" width="37.2" height="7.2"/>
+  <rect x="5.4" y="36" width="37.2" height="7.2"/>
+</svg>
\ No newline at end of file