✦ COMPLETE BLUEPRINT API REFERENCE

All 40+ Blueprint Nodes & Visual Guide

Explore every Blueprint node available in Quest 3D WebView. Filter by category, search by node name, and inspect visual Unreal Engine pin signatures and syntax snippets.

🔍

Showing 38 of 38 Nodes

Callable

🧭Navigation & Lifecycle

ƒInitializeWebView

▶Exec

●Target (Self)

Then▶

Initializes the hardware Android VirtualDisplay rendering pipeline and loads the configured InitialURL.

Blueprint / C++ Syntax

TargetWebView->InitializeWebView();

Tip: Call once in BeginPlay after placing actor in level.

Callable

🧭Navigation & Lifecycle

ƒInitializeWithURL

▶Exec

●Target (Self)

●InURL(String)

Then▶

Sets a custom startup URL and initializes the Android WebView pipeline in a single step.

Blueprint / C++ Syntax

TargetWebView->InitializeWithURL(TEXT("https://youtube.com"));

Callable

🧭Navigation & Lifecycle

ƒLoadURL

▶Exec

●Target (Self)

●Url(String)

Then▶

Navigates the active WebView instance to the specified web address.

Blueprint / C++ Syntax

TargetWebView->LoadURL(TEXT("https://chatgpt.com"));

Callable

🧭Navigation & Lifecycle

ƒGoBack

▶Exec

●Target (Self)

Then▶

Navigates backward in browser history. Features automatic HTML5 SPA fallback for React/Next/YouTube.

Blueprint / C++ Syntax

TargetWebView->GoBack();

Callable

🧭Navigation & Lifecycle

ƒGoForward

▶Exec

●Target (Self)

Then▶

Navigates forward in browser history. Features automatic HTML5 SPA fallback.

Blueprint / C++ Syntax

TargetWebView->GoForward();

Callable

🧭Navigation & Lifecycle

ƒReload

▶Exec

●Target (Self)

Then▶

Refreshes the active webpage content.

Blueprint / C++ Syntax

TargetWebView->Reload();

Callable

🧭Navigation & Lifecycle

ƒStopLoading

▶Exec

●Target (Self)

Then▶

Cancels any ongoing HTTP page load request.

Blueprint / C++ Syntax

TargetWebView->StopLoading();

Pure

🧭Navigation & Lifecycle

ƒCanGoBack

●Target (Self)

Return Value●(Boolean)

Pure getter returning true if backward browser history exists. Thread-safe.

Blueprint / C++ Syntax

bool bCanBack = TargetWebView->CanGoBack();

Pure

🧭Navigation & Lifecycle

ƒCanGoForward

●Target (Self)

Return Value●(Boolean)

Pure getter returning true if forward browser history exists. Thread-safe.

Blueprint / C++ Syntax

bool bCanFwd = TargetWebView->CanGoForward();

Pure

🧭Navigation & Lifecycle

ƒGetInstanceName

●Target (Self)

Return Value●(String)

Returns the user-friendly instance label (e.g. "Main Display").

Blueprint / C++ Syntax

FString Name = TargetWebView->GetInstanceName();

Callable

🎯VR Laser & Touch

ƒClickUV

▶Exec

●Target (Self)

●UV(Vector2D)

Then▶

Performs a synthetic click/tap at normalized UV coordinates (0.0 to 1.0) obtained from VR raycasts.

Blueprint / C++ Syntax

TargetWebView->ClickUV(FVector2D(0.5f, 0.5f));

Tip: Obtain UV from FindCollisionUV node on HitResult.

Callable

🎯VR Laser & Touch

ƒSendHoverEventUV

▶Exec

●Target (Self)

●Action(EQuestHoverAction)

●UV(Vector2D)

Then▶

Dispatches W3C pointer move, enter, and exit events for CSS hover effects and cursor styling.

Blueprint / C++ Syntax

TargetWebView->SendHoverEventUV(EQuestHoverAction::Move, HitUV);

Callable

🎯VR Laser & Touch

ƒSendTouchEventUV

▶Exec

●Target (Self)

●Action(EQuestTouchAction)

●UV(Vector2D)

Then▶

Dispatches raw Android touch events (Down, Move, Up, Cancel) using normalized UV coordinates.

Blueprint / C++ Syntax

TargetWebView->SendTouchEventUV(EQuestTouchAction::Down, HitUV);

Callable

🎯VR Laser & Touch

ƒBeginDragUV

▶Exec

●Target (Self)

●UV(Vector2D)

Then▶

Initiates a continuous touch drag gesture at the specified UV coordinate.

Blueprint / C++ Syntax

TargetWebView->BeginDragUV(HitUV);

Callable

🎯VR Laser & Touch

ƒDragToUV

▶Exec

●Target (Self)

●UV(Vector2D)

Then▶

Updates an ongoing touch drag position to the new UV coordinates.

Blueprint / C++ Syntax

TargetWebView->DragToUV(CurrentHitUV);

Callable

🎯VR Laser & Touch

ƒEndDragUV

▶Exec

●Target (Self)

●UV(Vector2D)

Then▶

Releases an ongoing touch drag gesture with velocity calculation.

Blueprint / C++ Syntax

TargetWebView->EndDragUV(ReleaseUV);

Callable

🎯VR Laser & Touch

ƒScrollBy

▶Exec

●Target (Self)

●DeltaX(Float)

●DeltaY(Float)

Then▶

Scrolls the active webpage content smoothly in pixel offsets (ideal for thumbstick scrolling).

Blueprint / C++ Syntax

TargetWebView->ScrollBy(0.0f, ThumbstickY * 50.0f);

Callable

⌨️Keyboard & Text

ƒSendText

▶Exec

●Target (Self)

●Text(String)

Then▶

Inserts a string of text directly into the currently focused web input field or textarea.

Blueprint / C++ Syntax

TargetWebView->SendText(TEXT("Hello VR World"));

Callable

⌨️Keyboard & Text

ƒSendKey

▶Exec

●Target (Self)

●Key(String)

Then▶

Dispatches special navigation keystrokes ("Backspace", "Enter", "Tab", "Delete", "ArrowLeft", etc.).

Blueprint / C++ Syntax

TargetWebView->SendKey(TEXT("Backspace"));

Callable

🎬Media & Audio

ƒPlayMedia

▶Exec

●Target (Self)

Then▶

Starts or resumes HTML5 video and audio playback on the active webpage.

Blueprint / C++ Syntax

TargetWebView->PlayMedia();

Callable

🎬Media & Audio

ƒPauseMedia

▶Exec

●Target (Self)

Then▶

Pauses active HTML5 video or audio playback.

Blueprint / C++ Syntax

TargetWebView->PauseMedia();

Callable

🎬Media & Audio

ƒTogglePlayPause

▶Exec

●Target (Self)

Then▶

Toggles between playing and paused states on any active video/audio element.

Blueprint / C++ Syntax

TargetWebView->TogglePlayPause();

Callable

🎬Media & Audio

ƒSetMediaVolume

▶Exec

●Target (Self)

●Volume(Float)

Then▶

Sets media volume from 0.0 (Silent) to 1.0 (Full volume).

Blueprint / C++ Syntax

TargetWebView->SetMediaVolume(0.75f);

Callable

🎬Media & Audio

ƒSetMediaMuted

▶Exec

●Target (Self)

●bInMuted(Boolean)

Then▶

Mutes or unmutes all HTML5 media on the active webpage dynamically at runtime.

Blueprint / C++ Syntax

TargetWebView->SetMediaMuted(true);

Pure

🎬Media & Audio

ƒIsMediaMuted

●Target (Self)

Return Value●(Boolean)

Pure getter returning whether audio is currently muted.

Blueprint / C++ Syntax

bool bMuted = TargetWebView->IsMediaMuted();

Callable

🔄JavaScript Bridge

ƒExecuteJavaScript

▶Exec

●Target (Self)

●Script(String)

Then▶

Runs arbitrary JavaScript in the active DOM context with sub-millisecond execution.

Blueprint / C++ Syntax

TargetWebView->ExecuteJavaScript(TEXT("document.title = 'Updated from UE5';"));

Callable

🔄JavaScript Bridge

ƒClearCache

▶Exec

●Target (Self)

Then▶

Purges HTTP disk cache and temporary assets for this instance.

Blueprint / C++ Syntax

TargetWebView->ClearCache();

Callable

🔄JavaScript Bridge

ƒClearCookies

▶Exec

●Target (Self)

Then▶

Clears shared Android WebView session cookies.

Blueprint / C++ Syntax

TargetWebView->ClearCookies();

Callable

⚡Performance & Materials

ƒSetTargetFPS

▶Exec

●Target (Self)

●FPS(Float)

Then▶

Dynamically caps frame rate (15.0 to 70.0+ FPS) for this specific instance to conserve battery/GPU.

Blueprint / C++ Syntax

TargetWebView->SetTargetFPS(30.0f);

Callable

⚡Performance & Materials

ƒPauseRendering

▶Exec

●Target (Self)

Then▶

Suspends GPU texture updates while keeping the web session and audio alive in the background.

Blueprint / C++ Syntax

TargetWebView->PauseRendering();

Callable

⚡Performance & Materials

ƒResumeRendering

▶Exec

●Target (Self)

Then▶

Resumes GPU texture updates after being paused.

Blueprint / C++ Syntax

TargetWebView->ResumeRendering();

Pure

⚡Performance & Materials

ƒIsRenderingPaused

●Target (Self)

Return Value●(Boolean)

Pure getter returning true if texture updates are currently paused.

Blueprint / C++ Syntax

bool bPaused = TargetWebView->IsRenderingPaused();

Callable

⚡Performance & Materials

ƒSetMaterial

▶Exec

●Target (Self)

●InMaterial(UMaterialInterface*)

Then▶

Return Value●(UMaterialInstanceDynamic*)

Assigns a base material and creates/binds a dynamic material instance automatically.

Blueprint / C++ Syntax

UMaterialInstanceDynamic* MID = TargetWebView->SetMaterial(BaseMaterial);

Event Delegate

🔔Events & Delegates

ƒOnTextInputFocusChanged

▶Exec

●Target (Self)

Then▶

WebView●(UQuestWebViewComponent*)

bFocused●(Boolean)

Fired when user clicks any web text input or textarea. Use this to show/hide 3D VR virtual keyboards.

Blueprint / C++ Syntax

Event OnTextInputFocusChanged(WebView, bFocused) -> {
    KeyboardWidget.SetVisibility(bFocused ? Visible : Collapsed);
};

Event Delegate

🔔Events & Delegates

ƒOnJavaScriptMessage

▶Exec

●Target (Self)

Then▶

Message●(String)

Fired when webpage JavaScript calls window.quest3d.postMessage("...").

Blueprint / C++ Syntax

Event OnJavaScriptMessage(Message) -> {
    PrintString("Received: " + Message);
};

Event Delegate

🔔Events & Delegates

ƒOnLoadCompleted

▶Exec

●Target (Self)

Then▶

Url●(String)

bSuccess●(Boolean)

Fired when the webpage finishes loading HTML, CSS, and DOM assets completely.

Blueprint / C++ Syntax

Event OnLoadCompleted(Url, bSuccess) -> { ... };

Event Delegate

🔔Events & Delegates

ƒOnLoadError

▶Exec

●Target (Self)

Then▶

ErrorCode●(Integer)

Description●(String)

FailingUrl●(String)

Fired when a network error or HTTP failure occurs during page navigation.

Blueprint / C++ Syntax

Event OnLoadError(ErrorCode, Description, FailingUrl) -> { ... };

Event Delegate

🔔Events & Delegates

ƒOnVideoDetected

▶Exec

●Target (Self)

Then▶

Url●(String)

bIsPlayable●(Boolean)

UVPosition●(Vector2D)

UVSize●(Vector2D)

Fired whenever an HTML5 <video> tag is mounted or starts streaming in the webpage.

Blueprint / C++ Syntax

Event OnVideoDetected(Url, bIsPlayable, UVPosition, UVSize) -> { ... };