​
Overview

ThreadedMessages is a Composite Component that displays all replies made to a particular message in a conversation. By default, the parent message will be displayed at the top, the message composer will be at the bottom and between them a message list will contain all replies.
ThreadedMessages is composed of the following components:
ComponentDescription
MessageListCometChatMessageList is a component that displays a list of Messages
MessageComposerCometChatMessageComposer is a component that helps in writing and editing of messages and also sending attachments

​
Usage

​
Integration

The following code snippet illustrates how you can directly incorporate the ThreadedMessages component into your Application. 
import { CUSTOM_ELEMENTS_SCHEMA, NgModule } from "@angular/core";
import { BrowserModule } from "@angular/platform-browser";
import { CometChatThreadedMessages } from "@cometchat/chat-uikit-angular";
import { AppComponent } from "./app.component";

@NgModule({
  imports: [BrowserModule, CometChatThreadedMessages],
  declarations: [AppComponent],
  providers: [],
  bootstrap: [AppComponent],
  schemas: [CUSTOM_ELEMENTS_SCHEMA],
})
export class AppModule {}

​
Actions

Actions dictate how a component functions. They are divided into two types: Predefined and User-defined. You can override either type, allowing you to tailor the behavior of the component to fit your specific needs. Example In this example, we are overriding the onClose of the ThreadedMessage Component. 
import { CometChat } from '@cometchat/chat-sdk-javascript';
import { Component, OnInit } from '@angular/core';
import {  CometChatThemeService, CometChatUIKit, ListItemStyle } from '@cometchat/chat-uikit-angular';
import "@cometchat/uikit-elements";

@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.css']
})
export class AppComponent implements OnInit{
  ngOnInit(): void {
    CometChat.getMessageDetails(parentMessageId).then((message) => {
      if (message instanceof CometChat.TextMessage) {
        this.messageObject = message;
        this.textMessageContent = this.messageObject.getText();
      }
    }).catch((error) => {
      console.error('Error fetching message details:', error);
      this.textMessageContent = '';
    });
  }

  public messageObject!: CometChat.TextMessage;
  public textMessageContent: string | undefined;
  public handleOnClose = () => {
    console.log("Your custom on close actions");
  }
  constructor(private themeService:CometChatThemeService) {
    themeService.theme.palette.setMode("light")
    themeService.theme.palette.setPrimary({ light: "#6851D6", dark: "#6851D6" })
  }
  listItemStyle: ListItemStyle = new ListItemStyle({
    background: "transparent",
    padding:"5px",
    border:"1px solid #e9b8f5",
    titleColor:"#8830f2",
    borderRadius:"20px",
    width:"100% !important"
  });

  onLogin(UID?: any) {
    CometChatUIKit.login({ uid: UID }).then(
      (user) => {
        setTimeout(() => {
          window.location.reload();
        }, 1000);
      },
      (error) => {
        console.log("Login failed with exception:", { error });
      }
    );
  }
}

​
Filters

Filters allow you to customize the data displayed in a list within a Component. You can filter the list based on your specific criteria, allowing for a more customized. Filters can be applied using RequestBuilders of Chat SDK. ThreadedMessages does not have its own Filters. However, you can filter the messages list in ThreadedMessages Component using MessageListConfiguration. Example In this example, we are filtering messages based on the ParentMessageID and searching for messages that contain the keyword “hi”. 
import { CometChat } from '@cometchat/chat-sdk-javascript';
import { Component, OnInit } from '@angular/core';
import {  CometChatThemeService, CometChatUIKit, ListItemStyle } from '@cometchat/chat-uikit-angular';
import { MessageListConfiguration }  from '@cometchat/uikit-shared';
import "@cometchat/uikit-elements";

@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.css']
})
export class AppComponent implements OnInit{
  ngOnInit(): void {
    CometChat.getMessageDetails(parentMessageId).then((message) => {
      if (message instanceof CometChat.TextMessage) {
        this.messageObject = message;
        this.textMessageContent = this.messageObject.getText();
      }
    }).catch((error) => {
      console.error('Error fetching message details:', error);
      this.textMessageContent = '';
    });
  }

  public messageObject!: CometChat.TextMessage;
  public textMessageContent: string | undefined;
  public messageListConfiguration = new MessageListConfiguration({
    messagesRequestBuilder: new CometChat.MessagesRequestBuilder().setParentMessageId(id).setSearchKeyword("hi").setLimit(1),
  });
  constructor(private themeService:CometChatThemeService) {
    themeService.theme.palette.setMode("light")
    themeService.theme.palette.setPrimary({ light: "#6851D6", dark: "#6851D6" })
  }
  listItemStyle: ListItemStyle = new ListItemStyle({
    background: "transparent",
    padding:"5px",
    border:"1px solid #e9b8f5",
    titleColor:"#8830f2",
    borderRadius:"20px",
    width:"100% !important"
  });

  onLogin(UID?: any) {
    CometChatUIKit.login({ uid: UID }).then(
      (user) => {
        setTimeout(() => {
          window.location.reload();
        }, 1000);
      },
      (error) => {
        console.log("Login failed with exception:", { error });
      }
    );
  }
}

​
Events

Events are emitted by a Component. By using event you can extend existing functionality. Being global events, they can be applied in Multiple Locations and are capable of being Added or Removed. The ThreadedMessages Component does not emit any events of its own.

​
Customization

To fit your app’s design requirements, you can customize the appearance of the conversation component. We provide exposed methods that allow you to modify the experience and behavior according to your specific needs.

​
Style

Using Style you can customize the look and feel of the component in your app, These parameters typically control elements such as the color, size, shape, and fonts used within the component.
1. threadedMessagesStyle
To modify the styling, you can apply the ThreadedMessageStyle to the ThreadedMessage Component using the threadedMessagesStyle property. 
import { CometChat } from '@cometchat/chat-sdk-javascript';
import { Component, OnInit } from '@angular/core';
import {  CometChatThemeService, CometChatUIKit, ListItemStyle } from '@cometchat/chat-uikit-angular';
import { ThreadedMessagesStyle }  from '@cometchat/uikit-shared';
import "@cometchat/uikit-elements";

@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.css']
})
export class AppComponent implements OnInit{
  ngOnInit(): void {
    CometChat.getMessageDetails(parentMessageId).then((message) => {
      if (message instanceof CometChat.TextMessage) {
        this.messageObject = message;
        this.textMessageContent = this.messageObject.getText();
      }
    }).catch((error) => {
      console.error('Error fetching message details:', error);
      this.textMessageContent = '';
    });
  }

  public messageObject!: CometChat.TextMessage;
  public textMessageContent: string | undefined;
  constructor(private themeService:CometChatThemeService) {
    themeService.theme.palette.setMode("light")
    themeService.theme.palette.setPrimary({ light: "#6851D6", dark: "#6851D6" })
  }
  listItemStyle: ListItemStyle = new ListItemStyle({
    background: "transparent",
    padding:"5px",
    border:"1px solid #e9b8f5",
    titleColor:"#8830f2",
    borderRadius:"20px",
    width:"100% !important"
  });
  threadedMessagesStyle = new ThreadedMessagesStyle({
    background: "#ebdeff",
    width: "100%",
    height: "600px",
    border: "2px solid #9e19e0"
  });

  onLogin(UID?: any) {
    CometChatUIKit.login({ uid: UID }).then(
      (user) => {
        setTimeout(() => {
          window.location.reload();
        }, 1000);
      },
      (error) => {
        console.log("Login failed with exception:", { error });
      }
    );
  }
}
The following properties are exposed by ThreadedMessagesStyle:
MethodsDescriptionType
borderUsed to set borderborder?: string,
borderRadiusUsed to set border radiusborderRadius?: string;
backgroundUsed to set background colourbackground?: string;
heightUsed to set heightheight?: string;
widthUsed to set widthwidth?: string;
titleFontused to customise the font of the title in the app bartitleFont?: string;
titleColorused to customise the color of the title in the app bartitleColor?: string;
closeIconTintused to set the color of the close icon in the app barcloseIconTint?: string;

​
Functionality

These are a set of small functional customizations that allow you to fine-tune the overall experience of the component. With these, you can change text, set custom icons, and toggle the visibility of UI elements. 
import { CometChat } from '@cometchat/chat-sdk-javascript';
import { Component, OnInit } from '@angular/core';
import {  CometChatThemeService, CometChatUIKit, ListItemStyle } from '@cometchat/chat-uikit-angular';
import "@cometchat/uikit-elements";

@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.css']
})
export class AppComponent implements OnInit{
  ngOnInit(): void {
    CometChat.getMessageDetails(parentMessageId).then((message) => {
      if (message instanceof CometChat.TextMessage) {
        this.messageObject = message;
        this.textMessageContent = this.messageObject.getText();
      }
    }).catch((error) => {
      console.error('Error fetching message details:', error);
      this.textMessageContent = '';
    });
  }

  public messageObject!: CometChat.TextMessage;
  public textMessageContent: string | undefined;
  constructor(private themeService:CometChatThemeService) {
    themeService.theme.palette.setMode("light")
    themeService.theme.palette.setPrimary({ light: "#6851D6", dark: "#6851D6" })
  }
  listItemStyle: ListItemStyle = new ListItemStyle({
    background: "transparent",
    padding:"5px",
    border:"1px solid #e9b8f5",
    titleColor:"#8830f2",
    borderRadius:"20px",
    width:"100% !important"
  });
  title = 'Your Custom Title';
  public myCustomIcon = 'your custom icon';

  onLogin(UID?: any) {
    CometChatUIKit.login({ uid: UID }).then(
      (user) => {
        setTimeout(() => {
          window.location.reload();
        }, 1000);
      },
      (error) => {
        console.log("Login failed with exception:", { error });
      }
    );
  }
}
Below is a list of customizations along with corresponding code snippets
PropertyDescriptionCode
parentMessage Used to to set the message for which the replies need to be fetched[parentMessage]="messageObject"
Hide MessageComposerUsed to toggle visibility for CometChatMessageComposer, default false[hideMessageComposer]="true"
titleUsed to set title in the app bar[title]="title"
closeIconURLUsed to set the icon to exit the widgetcloseIconURL="your custom close icon url"

​
Advanced

For advanced-level customization, you can set custom views to the component. This lets you tailor each aspect of the component to fit your exact needs and application aesthetics. You can create and define your views, layouts, and UI elements and then incorporate those into the component.

​
BubbleView

By using bubbleView, You can set parent message bubble view inside ThreadedMessage Component. Example Default
Custom
In this example, we will set parent message bubble view using bubbleView and apply custom styles on it. 
import { CometChat } from '@cometchat/chat-sdk-javascript';
import { Component, OnInit } from '@angular/core';
import {  CometChatThemeService, CometChatUIKit, ListItemStyle } from '@cometchat/chat-uikit-angular';
import "@cometchat/uikit-elements";

@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.css']
})
export class AppComponent implements OnInit{
  ngOnInit(): void {
    CometChat.getMessageDetails(parentMessageId).then((message) => {
      if (message instanceof CometChat.TextMessage) {
        this.messageObject = message;
        this.textMessageContent = this.messageObject.getText();
      }
    }).catch((error) => {
      console.error('Error fetching message details:', error);
      this.textMessageContent = '';
    });
  }

  public messageObject!: CometChat.TextMessage;
  public textMessageContent: string | undefined;
  constructor(private themeService:CometChatThemeService) {
    themeService.theme.palette.setMode("light")
    themeService.theme.palette.setPrimary({ light: "#6851D6", dark: "#6851D6" })
  }
  listItemStyle: ListItemStyle = new ListItemStyle({
    background: "transparent",
    padding:"5px",
    border:"1px solid #e9b8f5",
    titleColor:"#8830f2",
    borderRadius:"20px",
    width:"100% !important"
  });

  onLogin(UID?: any) {
    CometChatUIKit.login({ uid: UID }).then(
      (user) => {
        setTimeout(() => {
          window.location.reload();
        }, 1000);
      },
      (error) => {
        console.log("Login failed with exception:", { error });
      }
    );
  }
}

​
MessageActionView

By utilizing the messageActionView method, you can assign custom actions to the parent message bubble view inside the ThreadedMessage Component. Example
In this example, we are setting mock Chat Bot button as message action view in ThreadedMessages Component. 
import { CometChat } from '@cometchat/chat-sdk-javascript';
import { Component, OnInit } from '@angular/core';
import {  CometChatThemeService, CometChatUIKit, ListItemStyle } from '@cometchat/chat-uikit-angular';
import "@cometchat/uikit-elements";

@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.css']
})
export class AppComponent implements OnInit{
  ngOnInit(): void {
    CometChat.getMessageDetails(parentMessageId).then((message) => {
      if (message instanceof CometChat.TextMessage) {
        this.messageObject = message;
        this.textMessageContent = this.messageObject.getText();
      }
    }).catch((error) => {
      console.error('Error fetching message details:', error);
      this.textMessageContent = '';
    });
  }

  public messageObject!: CometChat.TextMessage;
  public textMessageContent: string | undefined;
  constructor(private themeService:CometChatThemeService) {
    themeService.theme.palette.setMode("light")
    themeService.theme.palette.setPrimary({ light: "#6851D6", dark: "#6851D6" })
  }
  listItemStyle: ListItemStyle = new ListItemStyle({
    background: "transparent",
    padding:"5px",
    border:"1px solid #e9b8f5",
    titleColor:"#8830f2",
    borderRadius:"20px",
    width:"100% !important"
  });
  public myCustomIcon="your custom icon";

  onLogin(UID?: any) {
    CometChatUIKit.login({ uid: UID }).then(
      (user) => {
        setTimeout(() => {
          window.location.reload();
        }, 1000);
      },
      (error) => {
        console.log("Login failed with exception:", { error });
      }
    );
  }
}

​
MessageListView

You can set your custom message list view using the messageListView property. But keep in mind, by using this you will override the default message ListView functionality. Example Default
Custom 
import { CometChat } from '@cometchat/chat-sdk-javascript';
import { Component, OnInit } from '@angular/core';
import {  CometChatThemeService, CometChatUIKit, ListItemStyle } from '@cometchat/chat-uikit-angular';
import { MessageListStyle } from '@cometchat/uikit-shared';
import { MessageListAlignment } from '@cometchat/uikit-resources';
import "@cometchat/uikit-elements";

@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.css']
})
export class AppComponent implements OnInit{
  ngOnInit(): void {

    CometChat.getUser("uid").then((user: CometChat.User) => {
      this.userObject = user;
    });

    CometChat.getMessageDetails(parentMessageId).then((message) => {
      if (message instanceof CometChat.TextMessage) {
        this.messageObject = message;
        this.textMessageContent = this.messageObject.getText();
      }
    }).catch((error) => {
      console.error('Error fetching message details:', error);
      this.textMessageContent = '';
    });
  }

  public messageObject!: CometChat.TextMessage;
  public textMessageContent: string | undefined;
  public userObject!: CometChat.User;
  constructor(private themeService:CometChatThemeService) {
    themeService.theme.palette.setMode("light")
    themeService.theme.palette.setPrimary({ light: "#6851D6", dark: "#6851D6" })
  }
  listItemStyle: ListItemStyle = new ListItemStyle({
    background: "transparent",
    padding:"5px",
    border:"1px solid #e9b8f5",
    titleColor:"#8830f2",
    borderRadius:"20px",
    width:"100% !important"
  });
  messageListStyle = new MessageListStyle({
    background: "#fdf2ff",
    border: "1px solid #d608ff",
    borderRadius: "20px",
    loadingIconTint: "red",
    nameTextColor: "pink",
    threadReplyTextColor: "green"
  });
  alignment = MessageListAlignment.left;

  onLogin(UID?: any) {
    CometChatUIKit.login({ uid: UID }).then(
      (user) => {
        setTimeout(() => {
          window.location.reload();
        }, 1000);
      },
      (error) => {
        console.log("Login failed with exception:", { error });
      }
    );
  }
}

​
MessageComposerView

You can set your custom Message Composer view using the messageComposerView property. But keep in mind, by using this you will override the default message composer functionality. Example Default
Custom 
import { CometChat } from '@cometchat/chat-sdk-javascript';
import { Component, OnInit } from '@angular/core';
import {  CometChatThemeService, CometChatUIKit, ListItemStyle } from '@cometchat/chat-uikit-angular';
import { MessageComposerStyle } from '@cometchat/uikit-shared';
import { AuxiliaryButtonAlignment } from '@cometchat/uikit-resources';
import "@cometchat/uikit-elements";

@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.css']
})
export class AppComponent implements OnInit{
  ngOnInit(): void {

    CometChat.getUser("uid").then((user: CometChat.User) => {
      this.userObject = user;
    });

    CometChat.getMessageDetails(parentMessageId).then((message) => {
      if (message instanceof CometChat.TextMessage) {
        this.messageObject = message;
        this.textMessageContent = this.messageObject.getText();
      }
    }).catch((error) => {
      console.error('Error fetching message details:', error);
      this.textMessageContent = '';
    });
  }

  public messageObject!: CometChat.TextMessage;
  public textMessageContent: string | undefined;
  public userObject!: CometChat.User;
  constructor(private themeService:CometChatThemeService) {
    themeService.theme.palette.setMode("light")
    themeService.theme.palette.setPrimary({ light: "#6851D6", dark: "#6851D6" })
  }
  listItemStyle: ListItemStyle = new ListItemStyle({
    background: "transparent",
    padding:"5px",
    border:"1px solid #e9b8f5",
    titleColor:"#8830f2",
    borderRadius:"20px",
    width:"100% !important"
  });
  messageComposerStyle = new MessageComposerStyle({
    AIIconTint:"#ec03fc",
    attachIcontint:"#ec03fc",
    background:"#fffcff",
    border:"2px solid #b30fff",
    borderRadius:"20px",
    inputBackground:"#e2d5e8",
    textColor:"#ff299b",
    sendIconTint:"#ff0088",
  });
  auxiliaryButtonAlignment = AuxiliaryButtonAlignment.left;

  onLogin(UID?: any) {
    CometChatUIKit.login({ uid: UID }).then(
      (user) => {
        setTimeout(() => {
          window.location.reload();
        }, 1000);
      },
      (error) => {
        console.log("Login failed with exception:", { error });
      }
    );
  }
}

​
Configuration

Configurations offer the ability to customize the properties of each individual component within a Composite Component. The ThreadedMessages is a Composite Component, and it has a distinct set of configurations for each of its components as follows.

​
MessageList

If you want to customize the properties of the MessageList Component inside ThreadedMessages Component, you need use the MessageListConfiguration object. The MessageListConfiguration provides access to all the Action, Filters, Styles, Functionality, and Advanced properties of the MessageList component.
Please note that the Properties marked with the 🛑 symbol are not accessible within the Configuration Object.
Example
In this example, we will be changing the list alignment and modifying the message list styles in the MessageList component using MessageListConfiguration. 
import { CometChat } from '@cometchat/chat-sdk-javascript';
import { Component, OnInit } from '@angular/core';
import {  CometChatThemeService, CometChatUIKit, ListItemStyle } from '@cometchat/chat-uikit-angular';
import { MessageListConfiguration, MessageListStyle } from '@cometchat/uikit-shared';
import { MessageListAlignment } from '@cometchat/uikit-resources';
import "@cometchat/uikit-elements";

@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.css']
})
export class AppComponent implements OnInit{
  ngOnInit(): void {

    CometChat.getUser("uid").then((user: CometChat.User) => {
      this.userObject = user;
    });

    CometChat.getMessageDetails(parentMessageId).then((message) => {
      if (message instanceof CometChat.TextMessage) {
        this.messageObject = message;
        this.textMessageContent = this.messageObject.getText();
      }
    }).catch((error) => {
      console.error('Error fetching message details:', error);
      this.textMessageContent = '';
    });
  }

  public messageObject!: CometChat.TextMessage;
  public textMessageContent: string | undefined;
  public userObject!: CometChat.User;
  constructor(private themeService:CometChatThemeService) {
    themeService.theme.palette.setMode("light")
    themeService.theme.palette.setPrimary({ light: "#6851D6", dark: "#6851D6" })
  }
  listItemStyle: ListItemStyle = new ListItemStyle({
    background: "transparent",
    padding:"5px",
    border:"1px solid #e9b8f5",
    titleColor:"#8830f2",
    borderRadius:"20px",
    width:"100% !important"
  });
 public messageListConfiguration = new MessageListConfiguration({
    messageListStyle: new MessageListStyle({
      background:"#d8cae6",
        border:"2px solid #6107ba",
        borderRadius:"20px",
        loadingIconTint:"red",
        nameTextColor:"pink",
        threadReplyTextColor:"green"
    }),
    alignment: MessageListAlignment.left,
  });

  onLogin(UID?: any) {
    CometChatUIKit.login({ uid: UID }).then(
      (user) => {
        setTimeout(() => {
          window.location.reload();
        }, 1000);
      },
      (error) => {
        console.log("Login failed with exception:", { error });
      }
    );
  }
}

​
MessageComposer

If you want to customize the properties of the MessageComposer Component inside ThreadedMessages Component, you need use the MessageComposerConfiguration object. The MessageComposerConfiguration provides access to all the Action, Filters, Styles, Functionality, and Advanced properties of the MessageComposer component.
Please note that the Properties marked with the 🛑 symbol are not accessible within the Configuration Object.
Example
In this example, we’ll be adding a custom header view and customizing some properties of the MessageComposer component using MessageComposerConfiguration. 
import { CometChat } from '@cometchat/chat-sdk-javascript';
import { Component, OnInit } from '@angular/core';
import {  CometChatThemeService, CometChatUIKit, ListItemStyle } from '@cometchat/chat-uikit-angular';
import { MessageComposerConfiguration, MessageComposerStyle } from '@cometchat/uikit-shared';
import "@cometchat/uikit-elements";

@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.css']
})
export class AppComponent implements OnInit{
  ngOnInit(): void {

    CometChat.getUser("uid").then((user: CometChat.User) => {
      this.userObject = user;
    });

    CometChat.getMessageDetails(parentMessageId).then((message) => {
      if (message instanceof CometChat.TextMessage) {
        this.messageObject = message;
        this.textMessageContent = this.messageObject.getText();
      }
    }).catch((error) => {
      console.error('Error fetching message details:', error);
      this.textMessageContent = '';
    });
    this.messageComposerConfiguration =  new MessageComposerConfiguration({
      // property of message composer configuration
      headerView:this.headerView,
      messageComposerStyle: new MessageComposerStyle({
        AIIconTint: "#ec03fc",
        attachIcontint: "#ec03fc",
        background: "#fffcff",
        border: "2px solid #b30fff",
        borderRadius: "20px",
        inputBackground: "#e2d5e8",
        textColor: "#ff299b",
        sendIconTint: "#ff0088",
      })
    });
  }

  public messageObject!: CometChat.TextMessage;
  public textMessageContent: string | undefined;
  public userObject!: CometChat.User;
  constructor(private themeService:CometChatThemeService) {
    themeService.theme.palette.setMode("light")
    themeService.theme.palette.setPrimary({ light: "#6851D6", dark: "#6851D6" })
  }
  listItemStyle: ListItemStyle = new ListItemStyle({
    background: "transparent",
    padding:"5px",
    border:"1px solid #e9b8f5",
    titleColor:"#8830f2",
    borderRadius:"20px",
    width:"100% !important"
  });
  public messageComposerConfiguration !: MessageComposerConfiguration;

  onLogin(UID?: any) {
    CometChatUIKit.login({ uid: UID }).then(
      (user) => {
        setTimeout(() => {
          window.location.reload();
        }, 1000);
      },
      (error) => {
        console.log("Login failed with exception:", { error });
      }
    );
  }
}