Command.navigatingURL Event

# Import fusion360utils folder, which includes event_utils.py.
from ...lib import fusion360utils as futil

# Global variable used to maintain a reference to all event handlers.
local_handlers = []

# "command_var" is a variable referencing a Command object.
# "command_navigatingURL" is the event handler function.
futil.add_handler(command_var.navigatingURL, command_navigatingURL, local_handlers=local_handlers)

# Event handler for the navigatingURL event.
def command_navigatingURL(args: adsk.core.NavigationEventArgs):
    # Code to react to the event.
    app.log('In command_navigatingURL event handler.')

# Global variable used to maintain a reference to all event handlers.
handlers = []

# "command_var" is a variable referencing a Command object.
# "MyNavigatingURLHandler" is the name of the class that handles the event.
onNavigatingURL = MyNavigatingURLHandler()
command_var.navigatingURL.add(onNavigatingURL)
handlers.append(onNavigatingURL)

# Event handler for the navigatingURL event.
class MyNavigatingURLHandler(adsk.core.NavigationEventHandler):
    def __init__(self):
        super().__init__()
    def notify(self, args: adsk.core.NavigationEventArgs):
        # Code to react to the event.
        app.log('In MyNavigatingURLHandler event handler.')

#include <Core/UserInterface/Command.h>
#include <Core/UserInterface/NavigationEvent.h>
#include <Core/UserInterface/NavigationEventHandler.h>
#include <Core/UserInterface/NavigationEventArgs.h>

// Event handler for the navigatingURL event.
class MyNavigatingURLEventHandler : public adsk::core::NavigationEventHandler
{
public:
    void notify(const Ptr<NavigationEventArgs>& eventArgs) override
    {
        // Code to react to the event.
        ui->messageBox("In MyNavigatingURLEventHandler event handler.");
    }
} _navigatingURL;

// "command_var" is a variable referencing a Command object.
// Connect the handler function to the event.
Ptr<NavigationEvent> navigatingURLEvent = command_var->navigatingURL();
if (!navigatingURLEvent)
    return;

bool isOk = navigatingURLEvent->add(&_navigatingURL);
if (!isOk)
    return;