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Use Case Description

This section describes a use case example that emphasizes on creating and managing an emergency channel that the content author can switch from a sequence channel in case of a precondition.

Preconditions

Before you start this use case, make sure you understand how to:

Primary Actors

Content Authors

Basic Flow: Setting up the Project

Follow the steps below to set up an emergency channel:

  1. Create an AEM Screens Project named as EmergencyChannel, as shown below.

    Note:

    To learn more about creating and managing projects in AEM Screens, refer to Creating a Project.

    screen_shot_2019-02-21at35809pm
  2. Creating a Sequence Channel

    1. Select the Channels folder and click Create to open the wizard to create a channel.
    2. Select Sequence Channel from the wizard and create the channel titled as MainAdChannel.
    screen_shot_2019-02-21at35932pm
  3. Adding Content to Sequence Channel

    1. Select the channel (MainAdChannel).
    2. Click Edit from the action bar to open the editor. Drag and drop few assets to your channel.
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  4. Creating an Emergency Channel

    1. Select the Channels folder.
    2. Click on Create to open the wizard to create a channel.
    3. Select Sequence Channel from the wizard and create the channel titled as EmergencyChannel.

    Note:

    Normally, your emergency channel is added to your pre-existing production project.

    screen_shot_2019-02-21at40151pm
  5. Adding Content to Emergency Channel

    1. Select the channel (Emergency Channel).
    2. Click Edit from the action bar to open the editor. Drag and drop the asset that you want to run during an emergency to your channel.
    screen_shot_2019-02-21at40516pm
  6. Creating a Location

    1. Navigate to Locations folder.
    2. Click Create from the action bar and create a location titled Store from the wizard.
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  7. Creating Displays in your Location

    Navigate to your location (Store) and click Create from the action bar. Follow the wizard to create two Displays titled as StoreFront and StoreRear.

    screen_shot_2019-02-22at122556pm
  8. Creating a Schedule

    1. Navigate to your Schedules folder.
    2. Click Create from the action bar. Follow the wizard to create a schedule titled as StoreSchedule.
    screen_shot_2019-02-22at122845pm
  9. Assign both the Displays to your Schedule and set Priorities

    1. Select the schedule (StoreSchedule) and click Dashboard from the action bar.
    2. Click + Assign Channel from the ASSIGNED CHANNELS panel.
    3. From the Channel Assignment dialog box:
      1. Select the path to the MainAdChannel
      2. Set the Priority as 2
      3. Set the Supported Events as Initial Load and Idle Screen.
      4. Click Save
      Similarly, you will have to follow the same steps again to assign the EmergencyChannel and set its Priority.

    Note:

    Priority is used to order the assignments in case multiple ones match the playing criteria. The one with the highest value will always take precedence over lower values.

    screen_shot_2019-03-04at104636am
    1. Click + Assign Channel from the ASSIGNED CHANNELS panel.
    2. From the Channel Assignment dialog box:
      1. Select the path to the EmergencyChannel
      2. Set the Priority as 1
      3. Set the Supported Events as Initial Load, Idle Screen, and User Interaction
      4. Click Save
    screen_shot_2019-03-04at104741am

    You can view the assigned channels from the StoreSchedule dashboard.

    screen_shot_2019-02-25at93658pm
  10. Assigning Schedule to each Display

    1. Navigate to the each display, such as EmergencyChannel --> Locations --> Store -->StoreFront.
    2. Click Dashboard from the action to open the display dashboard.
    3. Click ... from the ASSIGNED CHANNELS & SCHEDULES panel and further click +Assign Schedule.
    4. Select the path to the Schedule (for example, here, EmergencyChannel --> Schedules -->StoreSchedule).
    5. Click Save.
    You can view the assigned schedule to the display from the StoreSchedule dashboard.
    screen_shot_2019-03-04at122003pm
  11. Device Registration

    Complete the device registration process and once you have registered you will view the following output on your AEM Screens player.

    new30

Switching to Emergency Channel

In the event of an emergency perform the following steps:

  1. Navigate to EmergencyChannel --> Schedules --> StoreSchedule and select Dashboard from the action bar.

    screen_shot_2019-02-25at101112pm
  2. Select the EmergencyChannel from the StoreSchedule dashboard and click Edit Assignment.

    screen_shot_2019-02-25at101239pm
  3. Update the Priority of the EmergencyChannel to 3 from the Channel Assignment dialog box and click Save.

    screen_shot_2019-02-25at101622pm
  4. As soon as the priority of the channel is updated, all the AEM Screens player will display the EmergencyChannel content, as shown below.

    screen_shot_2019-02-25at101742pm

Conclusion

The EmergencyChannel will continue to display its content until the content author resets the Priority Value to 1.

Once the content author receives the instructions that the emergency has been cleared, he/she should update the priority of the MainAdChannel which will cause normal playback to resume.

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