Create an AssistantMessage — AssistantMessage • ClaudeAgentSDK

Create an AssistantMessage

Usage

AssistantMessage(
  content,
  model,
  parent_tool_use_id = NULL,
  error = NULL,
  usage = NULL,
  message_id = NULL,
  stop_reason = NULL,
  session_id = NULL,
  uuid = NULL
)

Arguments

content: List of content blocks.
model: Character. Model ID.
parent_tool_use_id: Character or NULL.
error: Character or NULL. Error type if present.
usage: List or NULL. Token usage dict.
message_id: Character or NULL.
stop_reason: Character or NULL.
session_id: Character or NULL.
uuid: Character or NULL.

Value

Object of class AssistantMessage.

Examples

msg <- AssistantMessage(
  content = list(TextBlock("The answer is 42.")),
  model   = "claude-sonnet-4-6"
)
inherits(msg, "AssistantMessage")
#> [1] TRUE