All Implemented Interfaces:

dev.langchain4j.data.message.ChatMessage
```
public class UserMessage
 implements ChatMessage
                    
```
Represents a message from a user, typically an end user of the application. Depending on the supported modalities (text, image, audio, video, etc.) of the model, user messages can contain either a single text (a String) or multiple Contents, which can be either TextContent, ImageContent, AudioContent, VideoContent, or PdfFileContent. Optionally, user message can contain a name of the user. Be aware that not all models support names in UserMessage.

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description

Field Summary

Fields
Modifier and Type	Field	Description

Constructor Summary

Constructors
Constructor	Description
`UserMessage(String text)`	Creates a UserMessage from a text.
`UserMessage(String name, String text)`	Creates a UserMessage from a name and a text.
`UserMessage(Array<Content> contents)`	Creates a UserMessage from one or multiple Contents.
`UserMessage(String name, Array<Content> contents)`	Creates a UserMessage from a name and one or multiple Contents.
`UserMessage(List<Content> contents)`	Creates a UserMessage from a list of Contents.
`UserMessage(String name, List<Content> contents)`	Creates a UserMessage from a name and a list of Contents.

Enum Constant Summary

Enum Constants
Enum Constant	Description

Method Summary

Modifier and Type	Method	Description
`String`	`name()`	The name of the user.
`List<Content>`	`contents()`	The contents of the message.
`String`	`singleText()`	Returns text from a single TextContent.
`boolean`	`hasSingleText()`	Whether this message contains a single TextContent.
`String`	`text()`	UserMessage can contain not just a single `String text`, but also multiple Contents, which can be either TextContent or ImageContent.
`ChatMessageType`	`type()`	The type of the message.
`boolean`	`equals(Object o)`
`int`	`hashCode()`
`String`	`toString()`
`static UserMessage`	`from(String text)`	Create a UserMessage from a text.
`static UserMessage`	`from(String name, String text)`	Create a UserMessage from a name and a text.
`static UserMessage`	`from(Array<Content> contents)`	Create a UserMessage from contents.
`static UserMessage`	`from(String name, Array<Content> contents)`	Create a UserMessage from a name and contents.
`static UserMessage`	`from(List<Content> contents)`	Create a UserMessage from contents.
`static UserMessage`	`from(String name, List<Content> contents)`	Create a UserMessage from a name and contents.
`static UserMessage`	`userMessage(String text)`	Create a UserMessage from a text.
`static UserMessage`	`userMessage(String name, String text)`	Create a UserMessage from a name and a text.
`static UserMessage`	`userMessage(Array<Content> contents)`	Create a UserMessage from contents.
`static UserMessage`	`userMessage(String name, Array<Content> contents)`	Create a UserMessage from a name and contents.
`static UserMessage`	`userMessage(List<Content> contents)`	Create a UserMessage from contents.
`static UserMessage`	`userMessage(String name, List<Content> contents)`	Create a UserMessage from a name and contents.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - UserMessage
```
UserMessage(String text)
```
    Creates a UserMessage from a text.
    
    Parameters:
    
    text - the text.
  - UserMessage
```
UserMessage(String name, String text)
```
    Creates a UserMessage from a name and a text.
    
    Parameters:
    
    name - the name.
    
    text - the text.
  - UserMessage
```
UserMessage(Array<Content> contents)
```
    Creates a UserMessage from one or multiple Contents.
    
    Parameters:
    
    contents - the contents.
  - UserMessage
```
UserMessage(String name, Array<Content> contents)
```
    Creates a UserMessage from a name and one or multiple Contents.
    
    Parameters:
    
    name - the name.
    
    contents - the contents.
  - UserMessage
```
UserMessage(List<Content> contents)
```
    Creates a UserMessage from a list of Contents.
    
    Parameters:
    
    contents - the contents.
  - UserMessage
```
UserMessage(String name, List<Content> contents)
```
    Creates a UserMessage from a name and a list of Contents.
    
    Parameters:
    
    name - the name.
    
    contents - the contents.
- Method Detail
  - name
```
 String name()
```
    The name of the user.
    
    Returns:
    
    the name, or null if not set.
  - contents
```
 List<Content> contents()
```
    The contents of the message. Content can be either TextContent or ImageContent.
    
    Returns:
    
    the contents.
  - singleText
```
 String singleText()
```
    Returns text from a single TextContent. Use this accessor only if you are certain that the message contains only a single text. If the message contains multiple Contents, or if the only Content is not a TextContent, a RuntimeException is thrown.
    
    Returns:
    
    a single text.
  - hasSingleText
```
 boolean hasSingleText()
```
    Whether this message contains a single TextContent.
    
    Returns:
    
    true if this message contains a single TextContent, false otherwise.
  - text
```
@Deprecated(forRemoval = true) String text()
```
    UserMessage can contain not just a single String text, but also multiple Contents, which can be either TextContent or ImageContent. Therefore, this method is deprecated. Please use singleText if you only expect a single text, or use contents otherwise.
  - type
```
 ChatMessageType type()
```
    The type of the message.
    
    Returns:
    
    the type of the message
  - equals
```
 boolean equals(Object o)
```
  - hashCode
```
 int hashCode()
```
  - toString
```
 String toString()
```
  - from
```
 static UserMessage from(String text)
```
    Create a UserMessage from a text.
    
    Parameters:
    
    text - the text.
    
    Returns:
    
    the UserMessage.
  - from
```
 static UserMessage from(String name, String text)
```
    Create a UserMessage from a name and a text.
    
    Parameters:
    
    name - the name.
    
    text - the text.
    
    Returns:
    
    the UserMessage.
  - from
```
 static UserMessage from(Array<Content> contents)
```
    Create a UserMessage from contents.
    
    Parameters:
    
    contents - the contents.
    
    Returns:
    
    the UserMessage.
  - from
```
 static UserMessage from(String name, Array<Content> contents)
```
    Create a UserMessage from a name and contents.
    
    Parameters:
    
    name - the name.
    
    contents - the contents.
    
    Returns:
    
    the UserMessage.
  - from
```
 static UserMessage from(List<Content> contents)
```
    Create a UserMessage from contents.
    
    Parameters:
    
    contents - the contents.
    
    Returns:
    
    the UserMessage.
  - from
```
 static UserMessage from(String name, List<Content> contents)
```
    Create a UserMessage from a name and contents.
    
    Parameters:
    
    name - the name.
    
    contents - the contents.
    
    Returns:
    
    the UserMessage.
  - userMessage
```
 static UserMessage userMessage(String text)
```
    Create a UserMessage from a text.
    
    Parameters:
    
    text - the text.
    
    Returns:
    
    the UserMessage.
  - userMessage
```
 static UserMessage userMessage(String name, String text)
```
    Create a UserMessage from a name and a text.
    
    Parameters:
    
    name - the name.
    
    text - the text.
    
    Returns:
    
    the UserMessage.
  - userMessage
```
 static UserMessage userMessage(Array<Content> contents)
```
    Create a UserMessage from contents.
    
    Parameters:
    
    contents - the contents.
    
    Returns:
    
    the UserMessage.
  - userMessage
```
 static UserMessage userMessage(String name, Array<Content> contents)
```
    Create a UserMessage from a name and contents.
    
    Parameters:
    
    name - the name.
    
    contents - the contents.
    
    Returns:
    
    the UserMessage.
  - userMessage
```
 static UserMessage userMessage(List<Content> contents)
```
    Create a UserMessage from contents.
    
    Parameters:
    
    contents - the contents.
    
    Returns:
    
    the UserMessage.
  - userMessage
```
 static UserMessage userMessage(String name, List<Content> contents)
```
    Create a UserMessage from a name and contents.
    
    Parameters:
    
    name - the name.
    
    contents - the contents.
    
    Returns:
    
    the UserMessage.

Class UserMessage

Nested Class Summary

Field Summary

Constructor Summary

Enum Constant Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

UserMessage

UserMessage

UserMessage

UserMessage

UserMessage

UserMessage

Method Detail

name

contents

singleText

hasSingleText

text

type

equals

hashCode

toString

from

from

from

from

from

from

userMessage

userMessage

userMessage

userMessage

userMessage

userMessage