Concepts

Concepts used in Browser Use book.

The following documentation is for Browser Use v1.11.0 (BDK).

Browser instance

Represents attributes of an instance with browser support on EKS.

Field Name	Description	Type
browser_name	The name of the browser instance.	text
vnc	The Virtual Network Computing (VNC) URL to access the browser.	text

Browser task

Represents a browser automation task.

Field Name	Description	Type
instructions	A natural language description of the task for the browser agent to perform (e.g., "Log into my account on example.com and check for new messages").	text
browser_task_id	Identifier for the browser task.	text
output	The desired structure or format of the results. It is recommended to use key-value pairs for clarity (e.g., {"key": "value"}). If specified, the agent will format the result accordingly.	optional[text]
worker_id	Identifier for the Kognitos worker executing the task.	text
line_id	Identifier for the specific line/step in the Kognitos automation.	text
browser_task_version	Version of the browser task.	text
task_context	Optional additional context or data to assist in completing the task. Contains the resolved reference facts for the task.	optional[json]
credential_names	The names of the authentication credentials needed for the task.	optional[list of text]
files	The files to be uploaded to the browser.	optional[list of text]