> ## Documentation Index
> Fetch the complete documentation index at: https://docs.notte.cc/llms.txt
> Use this file to discover all available pages before exploring further.

# ExecutionResult

## Fields

<ParamField path="started_at" type="datetime" required />

<ParamField path="ended_at" type="datetime" required />

<ParamField path="action" type="UnionType[FormFillAction, GotoAction, GotoNewTabAction, CloseTabAction, SwitchTabAction, GoBackAction, GoForwardAction, ReloadAction, WaitAction, PressKeyAction, ScrollUpAction, ScrollDownAction, CaptchaSolveAction, HelpAction, CompletionAction, ScrapeAction, EmailReadAction, SmsReadAction, EvaluateJsAction, ClickAction, FillAction, MultiFactorFillAction, FallbackFillAction, CheckAction, SelectDropdownOptionAction, UploadFileAction, DownloadFileAction]" required />

<ParamField path="success" type="bool" required />

<ParamField path="message" type="str" required />

<ParamField path="data" type="UnionType[DataSpace, None]" />

<ParamField path="exception" type="UnionType[NotteBaseError, Exception, None]" />

## Module

`notte_core.browser.observation`