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Block URLs Node

Automation/Browser/Emulation

Stops the current tab from loading matching URLs, such as ads, trackers or heavy media. Patterns use * as a wildcard. Replaces the previous list; an empty list unblocks everything. Chrome and Edge only.

browser_block_urlsautomationLocal only
Inputs3
Outputs3
Security exposure8/10
Packageautomation

Ratings

Scores range from 0 to 10. Higher values mean more impact, exposure, or operational weight.

SecurityAttack surface and exposure impact.
8/10High
PrivacyPotential sensitivity of processed data.
9/10High
PerformanceRuntime or resource pressure.
9/10High
GovernancePolicy, audit, or compliance impact.
7/10High
ReliabilityOperational stability considerations.
8/10High
CostExternal or compute cost impact.
10/10High

Input Pins

3

▶

Execution
exec_in

Trigger

Session

Struct
session

Automation session

AutomationSessionAutomationSession11 fields
session_refstringrequired
platformPlatformrequired
enum "Windows", "MacOS", "Linux"
default_delay_msinteger:uint64required
format uint64min 0
click_delay_msinteger:uint64required
format uint64min 0
debug_modebooleanrequired
browser_typeanyOf (2)

Browser context info if browser is attached

variant 1BrowserTypevariant
enum "Chrome", "Firefox", "Edge", "Safari"
variant 2nullvariant
browser_headlessboolean | null
browser_user_data_dirstring | null
current_page_refstring | null

Current page info if a page is open

current_window_handlestring | null
browser_frame_selectorsArray<Selector>
default []
itemsSelectorarray item
kindSelectorKindrequired
variant 1enumvariant
enum "Css", "Xpath", "TextExact", "TestId"...
variant 2constvariant

Visible text contained in the element; script, style and head content is ignored.

const "Text"
variant 3constvariant

ARIA role, optionally filtered by accessible name: `button`, `button|Sign in` (case-insensitive substring), `button|=Sign in` (exact) or `button|/^sign/i` (regex).

const "Role"
variant 4constvariant

Element ref from the latest Browser Snapshot, such as `e12`.

const "Ref"
valuestringrequired
confidencenumber | null
format double
scopestring | null

Patterns

String Array
patterns

URL patterns such as *://*.doubleclick.net/* or *.mp4

Default []

Output Pins

3

▶

Execution
exec_out

Continue

Session

Struct
session_out

Updated automation session

AutomationSessionAutomationSession11 fields
session_refstringrequired
platformPlatformrequired
enum "Windows", "MacOS", "Linux"
default_delay_msinteger:uint64required
format uint64min 0
click_delay_msinteger:uint64required
format uint64min 0
debug_modebooleanrequired
browser_typeanyOf (2)

Browser context info if browser is attached

variant 1BrowserTypevariant
enum "Chrome", "Firefox", "Edge", "Safari"
variant 2nullvariant
browser_headlessboolean | null
browser_user_data_dirstring | null
current_page_refstring | null

Current page info if a page is open

current_window_handlestring | null
browser_frame_selectorsArray<Selector>
default []
itemsSelectorarray item
kindSelectorKindrequired
variant 1enumvariant
enum "Css", "Xpath", "TextExact", "TestId"...
variant 2constvariant

Visible text contained in the element; script, style and head content is ignored.

const "Text"
variant 3constvariant

ARIA role, optionally filtered by accessible name: `button`, `button|Sign in` (case-insensitive substring), `button|=Sign in` (exact) or `button|/^sign/i` (regex).

const "Role"
variant 4constvariant

Element ref from the latest Browser Snapshot, such as `e12`.

const "Ref"
valuestringrequired
confidencenumber | null
format double
scopestring | null

Blocked Patterns

Integer
blocked_count

Number of patterns now blocked

Node Info

Internal name
browser_block_urls
Category
Automation/Browser/Emulation
Version
1