Triggers

On the Triggers tab, the current task can be configured to be started by triggers. A task can have multiple triggers, creating a workflow of tasks. This tab contains the following headings:

• Current Triggers

Current Triggers

• Task Dependencies

Task Dependencies

Current Triggers

Each row presents a separate trigger. The current task is started if any trigger is released (OR operator). If several triggers (multiple conditions) are to be released, before the current task is started, the On Multiple Events Completed function should be used (AND operator).

To create a trigger, click on the Add icon, , to the right in the pane.

Configure Trigger Dialog

Trigger

The type of the trigger. The possible value is the following:

• Once Trigger

  On a Schedule

• Task Finished Trigger

  On Event from Another Task

• External Event Trigger

  On an External Event

• And Trigger

  On Multiple Events Completed

Details

The trigger condition settings, that is, a summary of when the trigger starts the current task.

Enabled

The current status of the trigger. The possible values are the following:

• Enabled
• Disabled

Edit Trigger

To configure a trigger, click on the Edit Trigger icon, .

Configure Trigger Dialog

Delete

To entirely remove a trigger, click on the Delete icon, .

Configure Trigger Dialog

Start the Task

Choose the type of trigger by clicking on one of the following options in the drop-down list:

• On a Schedule

  On a Schedule

• On Event from Another Task

  On Event from Another Task

• On an External Event

  On an External Event

• On Multiple Events Completed

  On Multiple Events Completed

Enabled

To enable the trigger for execution of the task, tick this check box. To disable the trigger, untick this check box.

On a Schedule

When the On a Schedule trigger type was chosen, a trigger can be scheduled to start the current task. The following configuration options are available:

Recurrence

Choose a schedule for the trigger to start, by clicking on one of the following options:

• Once

  Once

• Hourly

  Hourly

• Daily

  Daily

• Weekly

  Weekly

• Monthly

  Monthly

• Continuously

  Continuously

Start at

Enter the date and time of the initial trigger start in this text box, by using the following format: yyyy-mm-dd hh:mm:ss.

Example:  

2011-12-31 23:59:59

Once

No further settings are available.

Hourly

Run Every

Choose a time interval for the trigger to start, by entering the desired number in the Hours and Minutes text boxes.

Example:  

1 and 10, meaning that the trigger will start every 70 minutes (the example not considering other possible limiting settings).

On

Choose the day(s) of the week for the trigger to start, by ticking any of the following check boxes:

• Monday
• Tuesday
• Wednesday
• Thursday
• Friday
• Saturday
• Sunday

Run Only Between

To limit the trigger start within a day, tick this check box. Enter the start time and the stop time, in between which trigger start is allowed, in the start and stop text boxes, by using the following format: hh:mm. To disable the limitation, untick this check box.

Max Number of Executions

To limit the number of trigger starts, tick this check box and enter the allowed number of trigger starts in the Max Number text box. To not limit the number of trigger starts, untick this check box.

Expire

To make the trigger expire on a specific date and time, tick this check box and enter the date and time in this text box, by using the following format: yyyy-mm-dd hh:mm:ss. To make the trigger not to expire, untick this check box.

Example:  

2012-12-31 23:59:59

Daily

Run Every

Choose a time interval for the trigger to start, by entering the desired number in the Day text box.

Example:  

3, meaning that the trigger will start every third day (the example not considering other possible limiting settings).

Max Number of Executions

To limit the number of trigger starts, tick this check box and enter the allowed number of trigger starts in the Max Number text box. To not limit the number of trigger starts, untick this check box.

Expire

To make the trigger expire on a specific date and time, tick this check box and enter the date and time in this text box, by using the following format: yyyy-mm-dd hh:mm:ss. To make the trigger not to expire, untick this check box.

Example:  

2012-12-31 23:59:59

Weekly

Run Every

Choose a time interval for the trigger to start, by entering the desired number in the Weeks text box.

Example:  

2, meaning that the trigger will start every second week (the example not considering other possible limiting settings).

On

Choose the day(s) of the week for the trigger to start, by ticking any of the following check boxes:

• Monday
• Tuesday
• Wednesday
• Thursday
• Friday
• Saturday
• Sunday

Max Number of Executions

To limit the number of trigger starts, tick this check box and enter the allowed number of trigger starts in the Max Number text box. To not limit the number of trigger starts, untick this check box.

Expire

To make the trigger expire on a specific date and time, tick this check box and enter the date and time in this text box, by using the following format: yyyy-mm-dd hh:mm:ss. To make the trigger not to expire, untick this check box.

Example:  

2012-12-31 23:59:59

Monthly

Months

Choose the month(s) of the year for the trigger to start, by ticking any of the following check boxes:

• January
• February
• March
• April
• May
• June
• July
• August
• September
• October
• November
• December

Check All

To automatically tick all of the months, click on this button.

Uncheck All

To automatically untick all of the months, click on this button.

Run Only

To limit the trigger start within the selected Months, select one of the following options:

• Days, and select the day(s) of the month(s) for the trigger to start, by ticking any of the following check boxes:
  • 1, 2, 3... 31, where each value represents that day of the month(s)
  • Last, meaning the very last day of the month(s)
  Information noteIf no day was chosen, the trigger will not occur.
• On, and select the weekday(s) of the month(s), by ticking any of the following check boxes:

  Days to trigger

  Order	Weekday
  First Second Third Fourth Last	Monday Tuesday Wednesday Thursday Friday Saturday Sunday

Max Number of Executions

To limit the number of trigger starts, tick this check box and enter the allowed number of trigger starts in the Max Number text box. To not limit the number of trigger starts, untick this check box.

Expire

To make the trigger expire on a specific date and time, tick this check box and enter the date and time in this text box, by using the following format: yyyy-mm-dd hh:mm:ss. To make the trigger not to expire, untick this check box.

Example:  

2012-12-31 23:59:59

Continuously

No further settings are available.

On Event from Another Task

When the On Event from Another Task trigger type was chosen, the trigger can be configured to start the current task on the event from another task. The following configuration options are available:

Start on

Choose a trigger event, by clicking on one of the following options in the drop-down list:

• Successful, meaning that the execution of the task was successful
• Failed, meaning that the execution of the task failed

Completion of

Choose a trigger task, by clicking on one of the options in the drop-down list.

On an External Event

When the On an External Event trigger type was chosen, the trigger can be configured to start the current task on an external event, that is, an outside component, making a QlikView Management Service (QMS) API call. The following configuration options are available:

Password

This password is used to access the task and release the trigger. The external event has to know the password. To enable an external event to release the trigger of the task, enter a password in this text box.

On Multiple Events Completed

When the On Multiple Events Completed trigger type was chosen, the trigger can be configured to start the current task when other tasks have all been completed in their execution within a certain time. The following configuration options are available:

Time Constraint

Choose a time limit, within which all of the tasks have to complete their execution, by entering the desired number in the Minutes text box.

Default value: 360, meaning 6 hours.

Run Task When All of these Events Completed

External Event

To add an external event to the list of tasks that have to be completed for the trigger to be started, tick this check box. To entirely remove an external event from the list, untick this check box.

Password

This password is used to access the task and release the trigger. The external event has to know the password. To enable an external event to release the trigger of the task, enter a password in this text box.

Task Completed

To add tasks, and the events with which they have to be completed for the trigger to be started, click on the Add icon, , to the right in the pane.

Event

Select the event for the task in the drop-down list.

Task

Select the corresponding task, for which an event was selected in the Event field, in the drop-down list.

Task Dependencies

Task dependency is a way of making sure that the current task runs only if other tasks have finished their last execution successfully. The task dependencies overrule any trigger, which means that a trigger might not be able to start the current task, if a task dependency for the current task is not fulfilled. To configure a dependency for the current task, click on the Add icon, , to the right in the pane.

Task

Select the task(s), which must have been successfully executed before the current task can be executed, in the drop-down list.

Delete

To entirely remove a task dependency, click on the Delete icon, .