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UI Automation Activities
Last updated Apr 26, 2024

Use Foreground


Moves the current background process into the foreground, executing all the activities it contains. After the execution is complete, the process is moved back into the background.


  • ContinueOnError - Specifies if the automation should continue even when the activity throws an error. This field only supports Boolean values (True, False). The default value is False. As a result, if the field is blank and an error is thrown, the execution of the project stops. If the value is set to True, the execution of the project continues regardless of any error.

    Note: If this activity is included in Try Catch and the value of the ContinueOnError property is True, no error is caught when the project is executed.
  • DisplayName - The display name of the activity.
  • Wait for foreground - The maximum amount of time the process should wait in order to move into the foreground. If left empty, it will wait for an infinite amount of time. If the process does not move into the foreground in the specified amount of time, an InvalidOperationException error is thrown. By default, this field is empty.
  • Private - If selected, the values of variables and arguments are no longer logged at Verbose level.

In UiPath Assistant

When a process is running in the background it displays the background icon in UiPath Assistant. When it acquires the foreground, the background icon disappears.

Queue Mechanism

If you start a background process with a foreground scope and another entity is running in the foreground (either a process or another foreground scope), the background process goes into a queue and waits (determined by the Wait for foreground property) to acquire foreground.

There is no limit to the items in this queue.

Only background processes with a foreground scope make use of this queue, not standalone foreground processes. This means that a foreground process fails if started while you are running either another foreground process or a background process with a foreground scope.

Background processes that are waiting in the queue to acquire foreground display an hourglass icon.

  • Properties
  • In UiPath Assistant
  • Queue Mechanism

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