```
public interface Page
```
Actions and events related to the inspected page belong to the page domain

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`String`	`addScriptToEvaluateOnLoad(String scriptSource)`	Deprecated, please use addScriptToEvaluateOnNewDocument instead.
`String`	`addScriptToEvaluateOnNewDocument(String source)`	Evaluates given script in every frame upon creation (before loading frame's scripts).
`void`	`bringToFront()`	Brings page to front (activates tab).
`byte[]`	`captureScreenshot()`	Capture page screenshot.
`byte[]`	`captureScreenshot(ImageFormat format, Integer quality, Viewport clip, Boolean fromSurface)`	Capture page screenshot.
`void`	`clearDeviceMetricsOverride()`	Clears the overriden device metrics.
`void`	`clearDeviceOrientationOverride()`	Clears the overridden Device Orientation.
`void`	`clearGeolocationOverride()`	Clears the overriden Geolocation Position and Error.
`void`	`close()`	Tries to close page, running its beforeunload hooks, if any.
`void`	`crash()`	Crashes renderer on the IO thread, generates minidumps.
`Integer`	`createIsolatedWorld(String frameId)`	Creates an isolated world for the given frame.
`Integer`	`createIsolatedWorld(String frameId, String worldName, Boolean grantUniveralAccess)`	Creates an isolated world for the given frame.
`void`	`deleteCookie(String cookieName, String url)`	Deletes browser cookie with given name, domain and path.
`void`	`disable()`	Disables page domain notifications.
`void`	`enable()`	Enables page domain notifications.
`GetAppManifestResult`	`getAppManifest()`
`List<Cookie>`	`getCookies()`	Returns all browser cookies.
`FrameTree`	`getFrameTree()`	Returns present frame tree structure.
`GetLayoutMetricsResult`	`getLayoutMetrics()`	Returns metrics relating to the layouting of the page, such as viewport bounds/scale.
`GetNavigationHistoryResult`	`getNavigationHistory()`	Returns navigation history for the current page.
`GetResourceContentResult`	`getResourceContent(String frameId, String url)`	Returns content of the given resource.
`FrameResourceTree`	`getResourceTree()`	Returns present frame / resource tree structure.
`void`	`handleJavaScriptDialog(Boolean accept)`	Accepts or dismisses a JavaScript initiated dialog (alert, confirm, prompt, or onbeforeunload).
`void`	`handleJavaScriptDialog(Boolean accept, String promptText)`	Accepts or dismisses a JavaScript initiated dialog (alert, confirm, prompt, or onbeforeunload).
`NavigateResult`	`navigate(String url)`	Navigates current page to the given URL.
`NavigateResult`	`navigate(String url, String referrer, TransitionType transitionType, String frameId)`	Navigates current page to the given URL.
`void`	`navigateToHistoryEntry(Integer entryId)`	Navigates current page to the given history entry.
`byte[]`	`printToPDF()`	Print page as PDF.
`byte[]`	`printToPDF(Boolean landscape, Boolean displayHeaderFooter, Boolean printBackground, Double scale, Double paperWidth, Double paperHeight, Double marginTop, Double marginBottom, Double marginLeft, Double marginRight, String pageRanges, Boolean ignoreInvalidPageRanges, String headerTemplate, String footerTemplate, Boolean preferCSSPageSize)`	Print page as PDF.
`void`	`reload()`	Reloads given page optionally ignoring the cache.
`void`	`reload(Boolean ignoreCache, String scriptToEvaluateOnLoad)`	Reloads given page optionally ignoring the cache.
`void`	`removeScriptToEvaluateOnLoad(String identifier)`	Deprecated, please use removeScriptToEvaluateOnNewDocument instead.
`void`	`removeScriptToEvaluateOnNewDocument(String identifier)`	Removes given script from the list.
`void`	`requestAppBanner()`
`void`	`screencastFrameAck(Integer sessionId)`	Acknowledges that a screencast frame has been received by the frontend.
`List<SearchMatch>`	`searchInResource(String frameId, String url, String query)`	Searches for given string in resource content.
`List<SearchMatch>`	`searchInResource(String frameId, String url, String query, Boolean caseSensitive, Boolean isRegex)`	Searches for given string in resource content.
`void`	`setAdBlockingEnabled(Boolean enabled)`	Enable Chrome's experimental ad filter on all sites.
`void`	`setBypassCSP(Boolean enabled)`	Enable page Content Security Policy by-passing.
`void`	`setDeviceMetricsOverride(Integer width, Integer height, Double deviceScaleFactor, Boolean mobile)`	Overrides the values of device screen dimensions (window.screen.width, window.screen.height, window.innerWidth, window.innerHeight, and "device-width"/"device-height"-related CSS media query results).
`void`	`setDeviceMetricsOverride(Integer width, Integer height, Double deviceScaleFactor, Boolean mobile, Double scale, Integer screenWidth, Integer screenHeight, Integer positionX, Integer positionY, Boolean dontSetVisibleSize, ScreenOrientation screenOrientation, Viewport viewport)`	Overrides the values of device screen dimensions (window.screen.width, window.screen.height, window.innerWidth, window.innerHeight, and "device-width"/"device-height"-related CSS media query results).
`void`	`setDeviceOrientationOverride(Double alpha, Double beta, Double gamma)`	Overrides the Device Orientation.
`void`	`setDocumentContent(String frameId, String html)`	Sets given markup as the document's HTML.
`void`	`setDownloadBehavior(DownloadBehavior behavior)`	Set the behavior when downloading a file.
`void`	`setDownloadBehavior(DownloadBehavior behavior, String downloadPath)`	Set the behavior when downloading a file.
`void`	`setFontFamilies(FontFamilies fontFamilies)`	Set generic font families.
`void`	`setFontSizes(FontSizes fontSizes)`	Set default font sizes.
`void`	`setGeolocationOverride()`	Overrides the Geolocation Position or Error.
`void`	`setGeolocationOverride(Double latitude, Double longitude, Double accuracy)`	Overrides the Geolocation Position or Error.
`void`	`setLifecycleEventsEnabled(Boolean enabled)`	Controls whether page will emit lifecycle events.
`void`	`setTouchEmulationEnabled(Boolean enabled)`	Toggles mouse event-based touch event emulation.
`void`	`setTouchEmulationEnabled(Boolean enabled, Platform configuration)`	Toggles mouse event-based touch event emulation.
`void`	`setWebLifecycleState(TargetLifecycleState state)`	Tries to update the web lifecycle state of the page.
`void`	`startScreencast()`	Starts sending each frame using the `screencastFrame` event.
`void`	`startScreencast(ImageFormat format, Integer quality, Integer maxWidth, Integer maxHeight, Integer everyNthFrame)`	Starts sending each frame using the `screencastFrame` event.
`void`	`stopLoading()`	Force the page stop all navigations and pending resource fetches.
`void`	`stopScreencast()`	Stops sending each frame in the `screencastFrame`.

- Method Detail
  - addScriptToEvaluateOnLoad
```
String addScriptToEvaluateOnLoad(String scriptSource)
```
    Deprecated, please use addScriptToEvaluateOnNewDocument instead.
    
    Returns:
    
    Identifier of the added script.
  - addScriptToEvaluateOnNewDocument
```
String addScriptToEvaluateOnNewDocument(String source)
```
    Evaluates given script in every frame upon creation (before loading frame's scripts).
    
    Returns:
    
    Identifier of the added script.
  - bringToFront
```
void bringToFront()
```
    Brings page to front (activates tab).
  - captureScreenshot
```
byte[] captureScreenshot(ImageFormat format,
                         Integer quality,
                         Viewport clip,
                         Boolean fromSurface)
```
    Capture page screenshot.
    
    Parameters:
    
    format - Image compression format (defaults to png).
    
    quality - Compression quality from range [0..100] (jpeg only).
    
    clip - Capture the screenshot of a given region only.
    
    fromSurface - Capture the screenshot from the surface, rather than the view. Defaults to true.
    
    Returns:
    
    Base64-encoded image data.
  - clearDeviceMetricsOverride
```
void clearDeviceMetricsOverride()
```
    Clears the overriden device metrics.
  - clearDeviceOrientationOverride
```
void clearDeviceOrientationOverride()
```
    Clears the overridden Device Orientation.
  - clearGeolocationOverride
```
void clearGeolocationOverride()
```
    Clears the overriden Geolocation Position and Error.
  - createIsolatedWorld
```
Integer createIsolatedWorld(String frameId,
                            String worldName,
                            Boolean grantUniveralAccess)
```
    Creates an isolated world for the given frame.
    
    Parameters:
    
    frameId - Id of the frame in which the isolated world should be created.
    
    worldName - An optional name which is reported in the Execution Context.
    
    grantUniveralAccess - Whether or not universal access should be granted to the isolated world. This is a powerful option, use with caution.
    
    Returns:
    
    Execution context of the isolated world.
  - deleteCookie
```
void deleteCookie(String cookieName,
                  String url)
```
    Deletes browser cookie with given name, domain and path.
    
    Parameters:
    
    cookieName - Name of the cookie to remove.
    
    url - URL to match cooke domain and path.
  - disable
```
void disable()
```
    Disables page domain notifications.
  - enable
```
void enable()
```
    Enables page domain notifications.
  - getAppManifest
```
GetAppManifestResult getAppManifest()
```
    Returns:
    
    GetAppManifestResult
  - getCookies
```
List<Cookie> getCookies()
```
    Returns all browser cookies. Depending on the backend support, will return detailed cookie information in the cookies field.
    
    Returns:
    
    Array of cookie objects.
  - getFrameTree
```
FrameTree getFrameTree()
```
    Returns present frame tree structure.
    
    Returns:
    
    Present frame tree structure.
  - getLayoutMetrics
```
GetLayoutMetricsResult getLayoutMetrics()
```
    Returns metrics relating to the layouting of the page, such as viewport bounds/scale.
    
    Returns:
    
    GetLayoutMetricsResult
  - getNavigationHistory
```
GetNavigationHistoryResult getNavigationHistory()
```
    Returns navigation history for the current page.
    
    Returns:
    
    GetNavigationHistoryResult
  - getResourceContent
```
GetResourceContentResult getResourceContent(String frameId,
                                            String url)
```
    Returns content of the given resource.
    
    Parameters:
    
    frameId - Frame id to get resource for.
    
    url - URL of the resource to get content for.
    
    Returns:
    
    GetResourceContentResult
  - getResourceTree
```
FrameResourceTree getResourceTree()
```
    Returns present frame / resource tree structure.
    
    Returns:
    
    Present frame / resource tree structure.
  - handleJavaScriptDialog
```
void handleJavaScriptDialog(Boolean accept,
                            String promptText)
```
    Accepts or dismisses a JavaScript initiated dialog (alert, confirm, prompt, or onbeforeunload).
    
    Parameters:
    
    accept - Whether to accept or dismiss the dialog.
    
    promptText - The text to enter into the dialog prompt before accepting. Used only if this is a prompt dialog.
  - navigate
```
NavigateResult navigate(String url,
                        String referrer,
                        TransitionType transitionType,
                        String frameId)
```
    Navigates current page to the given URL.
    
    Parameters:
    
    url - URL to navigate the page to.
    
    referrer - Referrer URL.
    
    transitionType - Intended transition type.
    
    frameId - Frame id to navigate, if not specified navigates the top frame.
    
    Returns:
    
    NavigateResult
  - navigateToHistoryEntry
```
void navigateToHistoryEntry(Integer entryId)
```
    Navigates current page to the given history entry.
    
    Parameters:
    
    entryId - Unique id of the entry to navigate to.
  - printToPDF
```
byte[] printToPDF(Boolean landscape,
                  Boolean displayHeaderFooter,
                  Boolean printBackground,
                  Double scale,
                  Double paperWidth,
                  Double paperHeight,
                  Double marginTop,
                  Double marginBottom,
                  Double marginLeft,
                  Double marginRight,
                  String pageRanges,
                  Boolean ignoreInvalidPageRanges,
                  String headerTemplate,
                  String footerTemplate,
                  Boolean preferCSSPageSize)
```
    Print page as PDF.
    
    Parameters:
    
    landscape - Paper orientation. Defaults to false.
    
    displayHeaderFooter - Display header and footer. Defaults to false.
    
    printBackground - Print background graphics. Defaults to false.
    
    scale - Scale of the webpage rendering. Defaults to 1.
    
    paperWidth - Paper width in inches. Defaults to 8.5 inches.
    
    paperHeight - Paper height in inches. Defaults to 11 inches.
    
    marginTop - Top margin in inches. Defaults to 1cm (~0.4 inches).
    
    marginBottom - Bottom margin in inches. Defaults to 1cm (~0.4 inches).
    
    marginLeft - Left margin in inches. Defaults to 1cm (~0.4 inches).
    
    marginRight - Right margin in inches. Defaults to 1cm (~0.4 inches).
    
    pageRanges - Paper ranges to print, e.g., '1-5, 8, 11-13'. Defaults to the empty string, which means print all pages.
    
    ignoreInvalidPageRanges - Whether to silently ignore invalid but successfully parsed page ranges, such as '3-2'. Defaults to false.
    
    headerTemplate - HTML template for the print header. Should be valid HTML markup with following classes used to inject printing values into them: - date: formatted print date - title: document title - url: document location - pageNumber: current page number - totalPages: total pages in the document For example, would generate span containing the title.
    
    footerTemplate - HTML template for the print footer. Should use the same format as the headerTemplate.
    
    preferCSSPageSize - Whether or not to prefer page size as defined by css. Defaults to false, in which case the content will be scaled to fit the paper size.
    
    Returns:
    
    Base64-encoded pdf data.
  - reload
```
void reload(Boolean ignoreCache,
            String scriptToEvaluateOnLoad)
```
    Reloads given page optionally ignoring the cache.
    
    Parameters:
    
    ignoreCache - If true, browser cache is ignored (as if the user pressed Shift+refresh).
    
    scriptToEvaluateOnLoad - If set, the script will be injected into all frames of the inspected page after reload. Argument will be ignored if reloading dataURL origin.
  - removeScriptToEvaluateOnLoad
```
void removeScriptToEvaluateOnLoad(String identifier)
```
    Deprecated, please use removeScriptToEvaluateOnNewDocument instead.
  - removeScriptToEvaluateOnNewDocument
```
void removeScriptToEvaluateOnNewDocument(String identifier)
```
    Removes given script from the list.
  - requestAppBanner
```
void requestAppBanner()
```
  - screencastFrameAck
```
void screencastFrameAck(Integer sessionId)
```
    Acknowledges that a screencast frame has been received by the frontend.
    
    Parameters:
    
    sessionId - Frame number.
  - searchInResource
```
List<SearchMatch> searchInResource(String frameId,
                                   String url,
                                   String query,
                                   Boolean caseSensitive,
                                   Boolean isRegex)
```
    Searches for given string in resource content.
    
    Parameters:
    
    frameId - Frame id for resource to search in.
    
    url - URL of the resource to search in.
    
    query - String to search for.
    
    caseSensitive - If true, search is case sensitive.
    
    isRegex - If true, treats string parameter as regex.
    
    Returns:
    
    List of search matches.
  - setAdBlockingEnabled
```
void setAdBlockingEnabled(Boolean enabled)
```
    Enable Chrome's experimental ad filter on all sites.
    
    Parameters:
    
    enabled - Whether to block ads.
  - setBypassCSP
```
void setBypassCSP(Boolean enabled)
```
    Enable page Content Security Policy by-passing.
    
    Parameters:
    
    enabled - Whether to bypass page CSP.
  - setDeviceMetricsOverride
```
void setDeviceMetricsOverride(Integer width,
                              Integer height,
                              Double deviceScaleFactor,
                              Boolean mobile,
                              Double scale,
                              Integer screenWidth,
                              Integer screenHeight,
                              Integer positionX,
                              Integer positionY,
                              Boolean dontSetVisibleSize,
                              ScreenOrientation screenOrientation,
                              Viewport viewport)
```
    Overrides the values of device screen dimensions (window.screen.width, window.screen.height, window.innerWidth, window.innerHeight, and "device-width"/"device-height"-related CSS media query results).
    
    Parameters:
    
    width - Overriding width value in pixels (minimum 0, maximum 10000000). 0 disables the override.
    
    height - Overriding height value in pixels (minimum 0, maximum 10000000). 0 disables the override.
    
    deviceScaleFactor - Overriding device scale factor value. 0 disables the override.
    
    mobile - Whether to emulate mobile device. This includes viewport meta tag, overlay scrollbars, text autosizing and more.
    
    scale - Scale to apply to resulting view image.
    
    screenWidth - Overriding screen width value in pixels (minimum 0, maximum 10000000).
    
    screenHeight - Overriding screen height value in pixels (minimum 0, maximum 10000000).
    
    positionX - Overriding view X position on screen in pixels (minimum 0, maximum 10000000).
    
    positionY - Overriding view Y position on screen in pixels (minimum 0, maximum 10000000).
    
    dontSetVisibleSize - Do not set visible view size, rely upon explicit setVisibleSize call.
    
    screenOrientation - Screen orientation override.
    
    viewport - The viewport dimensions and scale. If not set, the override is cleared.
  - setDeviceOrientationOverride
```
void setDeviceOrientationOverride(Double alpha,
                                  Double beta,
                                  Double gamma)
```
    Overrides the Device Orientation.
    
    Parameters:
    
    alpha - Mock alpha
    
    beta - Mock beta
    
    gamma - Mock gamma
  - setFontFamilies
```
void setFontFamilies(FontFamilies fontFamilies)
```
    Set generic font families.
    
    Parameters:
    
    fontFamilies - Specifies font families to set. If a font family is not specified, it won't be changed.
  - setFontSizes
```
void setFontSizes(FontSizes fontSizes)
```
    Set default font sizes.
    
    Parameters:
    
    fontSizes - Specifies font sizes to set. If a font size is not specified, it won't be changed.
  - setDocumentContent
```
void setDocumentContent(String frameId,
                        String html)
```
    Sets given markup as the document's HTML.
    
    Parameters:
    
    frameId - Frame id to set HTML for.
    
    html - HTML content to set.
  - setDownloadBehavior
```
void setDownloadBehavior(DownloadBehavior behavior,
                         String downloadPath)
```
    Set the behavior when downloading a file.
    
    Parameters:
    
    behavior - Whether to allow all or deny all download requests, or use default Chrome behavior if available (otherwise deny).
    
    downloadPath - The default path to save downloaded files to. This is requred if behavior is set to 'allow'
  - setGeolocationOverride
```
void setGeolocationOverride(Double latitude,
                            Double longitude,
                            Double accuracy)
```
    Overrides the Geolocation Position or Error. Omitting any of the parameters emulates position unavailable.
    
    Parameters:
    
    latitude - Mock latitude
    
    longitude - Mock longitude
    
    accuracy - Mock accuracy
  - setLifecycleEventsEnabled
```
void setLifecycleEventsEnabled(Boolean enabled)
```
    Controls whether page will emit lifecycle events.
    
    Parameters:
    
    enabled - If true, starts emitting lifecycle events.
  - setTouchEmulationEnabled
```
void setTouchEmulationEnabled(Boolean enabled,
                              Platform configuration)
```
    Toggles mouse event-based touch event emulation.
    
    Parameters:
    
    enabled - Whether the touch event emulation should be enabled.
    
    configuration - Touch/gesture events configuration. Default: current platform.
  - startScreencast
```
void startScreencast(ImageFormat format,
                     Integer quality,
                     Integer maxWidth,
                     Integer maxHeight,
                     Integer everyNthFrame)
```
    Starts sending each frame using the screencastFrame event.
    
    Parameters:
    
    format - Image compression format.
    
    quality - Compression quality from range [0..100].
    
    maxWidth - Maximum screenshot width.
    
    maxHeight - Maximum screenshot height.
    
    everyNthFrame - Send every n-th frame.
  - stopLoading
```
void stopLoading()
```
    Force the page stop all navigations and pending resource fetches.
  - crash
```
void crash()
```
    Crashes renderer on the IO thread, generates minidumps.
  - close
```
void close()
```
    Tries to close page, running its beforeunload hooks, if any.
  - setWebLifecycleState
```
void setWebLifecycleState(TargetLifecycleState state)
```
    Tries to update the web lifecycle state of the page. It will transition the page to the given state according to: https://github.com/WICG/web-lifecycle/
    
    Parameters:
    
    state - Target lifecycle state
  - stopScreencast
```
void stopScreencast()
```
    Stops sending each frame in the screencastFrame.
  - captureScreenshot
```
byte[] captureScreenshot()
```
    Capture page screenshot.
    
    Returns:
    
    Base64-encoded image data.
  - createIsolatedWorld
```
Integer createIsolatedWorld(String frameId)
```
    Creates an isolated world for the given frame.
    
    Parameters:
    
    frameId - Id of the frame in which the isolated world should be created.
    
    Returns:
    
    Execution context of the isolated world.
  - handleJavaScriptDialog
```
void handleJavaScriptDialog(Boolean accept)
```
    Accepts or dismisses a JavaScript initiated dialog (alert, confirm, prompt, or onbeforeunload).
    
    Parameters:
    
    accept - Whether to accept or dismiss the dialog.
  - navigate
```
NavigateResult navigate(String url)
```
    Navigates current page to the given URL.
    
    Parameters:
    
    url - URL to navigate the page to.
    
    Returns:
    
    NavigateResult
  - printToPDF
```
byte[] printToPDF()
```
    Print page as PDF.
    
    Returns:
    
    Base64-encoded pdf data.
  - reload
```
void reload()
```
    Reloads given page optionally ignoring the cache.
  - searchInResource
```
List<SearchMatch> searchInResource(String frameId,
                                   String url,
                                   String query)
```
    Searches for given string in resource content.
    
    Parameters:
    
    frameId - Frame id for resource to search in.
    
    url - URL of the resource to search in.
    
    query - String to search for.
    
    Returns:
    
    List of search matches.
  - setDeviceMetricsOverride
```
void setDeviceMetricsOverride(Integer width,
                              Integer height,
                              Double deviceScaleFactor,
                              Boolean mobile)
```
    Overrides the values of device screen dimensions (window.screen.width, window.screen.height, window.innerWidth, window.innerHeight, and "device-width"/"device-height"-related CSS media query results).
    
    Parameters:
    
    width - Overriding width value in pixels (minimum 0, maximum 10000000). 0 disables the override.
    
    height - Overriding height value in pixels (minimum 0, maximum 10000000). 0 disables the override.
    
    deviceScaleFactor - Overriding device scale factor value. 0 disables the override.
    
    mobile - Whether to emulate mobile device. This includes viewport meta tag, overlay scrollbars, text autosizing and more.
  - setDownloadBehavior
```
void setDownloadBehavior(DownloadBehavior behavior)
```
    Set the behavior when downloading a file.
    
    Parameters:
    
    behavior - Whether to allow all or deny all download requests, or use default Chrome behavior if available (otherwise deny).
  - setGeolocationOverride
```
void setGeolocationOverride()
```
    Overrides the Geolocation Position or Error. Omitting any of the parameters emulates position unavailable.
  - setTouchEmulationEnabled
```
void setTouchEmulationEnabled(Boolean enabled)
```
    Toggles mouse event-based touch event emulation.
    
    Parameters:
    
    enabled - Whether the touch event emulation should be enabled.
  - startScreencast
```
void startScreencast()
```
    Starts sending each frame using the screencastFrame event.

Interface Page

Method Summary

Method Detail

addScriptToEvaluateOnLoad

addScriptToEvaluateOnNewDocument

bringToFront

captureScreenshot

clearDeviceMetricsOverride

clearDeviceOrientationOverride

clearGeolocationOverride

createIsolatedWorld

deleteCookie

disable

enable

getAppManifest

getCookies

getFrameTree

getLayoutMetrics

getNavigationHistory

getResourceContent

getResourceTree

handleJavaScriptDialog

navigate

navigateToHistoryEntry

printToPDF

reload

removeScriptToEvaluateOnLoad

removeScriptToEvaluateOnNewDocument

requestAppBanner

screencastFrameAck

searchInResource

setAdBlockingEnabled

setBypassCSP

setDeviceMetricsOverride

setDeviceOrientationOverride

setFontFamilies

setFontSizes

setDocumentContent

setDownloadBehavior

setGeolocationOverride

setLifecycleEventsEnabled

setTouchEmulationEnabled

startScreencast

stopLoading

crash

close

setWebLifecycleState

stopScreencast

captureScreenshot

createIsolatedWorld

handleJavaScriptDialog

navigate

printToPDF

reload

searchInResource

setDeviceMetricsOverride

setDownloadBehavior

setGeolocationOverride

setTouchEmulationEnabled

startScreencast