On-Demand Content Update on-demand
This section describes On-demand content for managing publications.
Managing Publication: Delivering Content Updates from Author to Publish to Device managing-publication-delivering-content-updates-from-author-to-publish-to-device
You can publish and unpublish content from AEM Screens. The Manage Publication feature lets you deliver content updates from author to publish to device. You can publish/unpublish content for your entire AEM Screens project or only for one of your channels, location, device, application, or a schedule.
Managing Publication for an AEM Screens Project managing-publication-for-an-aem-screens-project
Follow the steps below to deliver content updates from author to publishing to device for an AEM Screens Project:
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Navigate to your AEM Screens project.
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Click Manage Publication from the action bar so you can publish the project to your Publish instance.
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The Manage Publication wizard opens. You can click the Action and also schedule the publishing time for now or later. Click Next.
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Check the box so you can click the entire project from the
Manage Publicationwizard.
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Click + Include Children from the action bar and uncheck all the options so you can publish all the modules in your project and click Add to publish.
note note NOTE By default, all the boxes are checked and you have to manually uncheck the boxes to publish all the modules in your project. 
Understanding Include Children dialog box
The steps mentioned above shows how you can publish the entire content. In case you want to use the other three alternatives available, you have to check that particular option.
For example, the following image show how you can manage and update only the modified pages in your project:
Follow the explanations below so you understand the options that are available:
- Include only immediate children:
This option lets you manage updates only to the subnodes in your project structure. - Include only modified pages:
This option lets you manage updates only to the modified pages of the project where the changes are found in your project structure. - Include only already published pages:
This option lets you manage updates only to the pages that were published before.
- Include only immediate children:
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From the
Manage Publication wizard, click Publish.
note note NOTE Wait for a few seconds/minutes so that the content reaches publish instance. code language-none 1. The workflow does not work if there are no changes in the project and nothing for **Update Offline Content**. 1. The workflow will not work if author does not complete the replication process (contents are still uploading to publish instance) after selecting the **Publish** button in the managing publication workflow.note caution CAUTION If as an author or content creator, you want to see the changes in the devices that are attached to the author instance, click Update Offline Content from channel dashboard or by selecting the project. In this case, the update offline content is only performed in the author instance. -
Navigate to the project and click Update Offline Content from the action bar. This action forwards the same command to publish instance, so that the offline zips are created on your Publish instance too.
note note NOTE After you have completed the managing publication workflow, and if there is a player pointing to Author instance, trigger the update offline content in author. Doing so creates the update offline on the Author instance. note caution CAUTION Trigger the update offline content in Author instance, if you have a player registered to the author server. Update offline content is not required for the player registered to the Publishing instance.
Managing Publication for a Channel managing-publication-for-a-channel
Follow the steps below to deliver content updates from Author > Publish > device for a Channel in an AEM Screens Project:
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Navigate to your AEM Screens project and click the channel.
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Click Manage Publication from the action bar so you can publish the channel to your Publish instance.
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The Manage Publication wizard opens. You can click the Action and also schedule the publishing time for now or later. Click Next.
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Click Publish from the
Manage Publicationwizard.
note note NOTE Wait for a few seconds/minutes so that the content reaches publish instance. -
Triggering Update Offline Content in the channel dashboard only pushes the offline content to the Author instance but not the Publishing instance. Steps 1-4 are for pushing offline content to Publish instance.
note caution CAUTION Publish first, then trigger the update offline content as summarized in the preceding steps.
Channel and Device Reassignment: channel-and-device-re-assignment
If you have reassigned a device, publish both the initial display and the new display, once the device has been reassigned to the new display.
Similarly, if you have reassigned a channel, publish both the initial display and the new display, once the channel has been reassigned to the new display.