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Message List

Source: TypeScript / Java
Message List allows you to show a list of messages, for example, a chat log.

Message List allows you to show a list of messages, for example, a chat log. You can configure the text content, information about the sender, and the time of sending for each message.

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<vaadin-message-list
  .items="${[
    {
      text: 'Linsey, could you check if the details with the order are okay?',
      time: this.yesterday,
      userName: 'Matt Mambo',
      userColorIndex: 1,
    },
    {
      text: 'All good. Ship it.',
      time: this.fiftyMinutesAgo,
      userName: 'Linsey Listy',
      userColorIndex: 2,
      userImg: this.person ? this.person.pictureUrl : undefined,
    },
  ]}"
></vaadin-message-list>

The messages in the list can be populated with the items property. The items property is of type Array, with JSON objects in it. Each JSON object is a single message.

Styling

You can style individual messages by adding a theme property to some items and providing CSS for that theme. The following example shows how to highlight the current user’s own messages:

Open in a
new tab
<vaadin-message-list
  .items="${[
    {
      text: 'Linsey, could you check if the details with the order are okay?',
      time: this.yesterday,
      userName: 'Matt Mambo',
      userColorIndex: 1,
    },
    {
      text: 'All good. Ship it.',
      time: this.fiftyMinutesAgo,
      userName: 'Linsey Listy',
      userColorIndex: 2,
      userImg: this.person ? this.person.pictureUrl : undefined,
      /* Add custom class name */
      className: 'current-user',
    },
  ]}"
></vaadin-message-list>
Note
Use Theme Names, Not Class Names pre-V24.3
In versions prior to 24.3, theme names must be used instead of class names (theme property / addThemeNames Java method). The CSS syntax for targeting a theme name is [theme~="custom-theme"].
Component Usage recommendations

Message Input

Allow users to author and send messages.

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