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The ancient Greeks were pretty important, so we decided to name Liferay’s workflow engine Kaleo. In Greek, Kaleo means “called ones,” which is appropriate for a workflow engine that calls users to participate in a review process designed for them. Kaleo workflow allows a user to define any number of simple to complex business processes/workflows, deploy them, and manage them through a portal interface. The processes have knowledge of users, groups and roles. You don’t have to write a single line of code to accomplish this: all you have to do is create one XML document.

There are several aspects to workflow that you need to understand:

  • Enabling workflow

  • Designing review processes

  • Uploading workflow definitions

  • Configuring assets to use workflows

  • Using workflow with other applications

After all that, you should be familiar with how to use Liferay’s Kaleo workflow to set up approval process for any kind of content before it is published to your portal.

Enabling Workflow

The workflow functionality bundled with the Liferay Forms and Workflow suite comes with one pre-installed workflow definition called the Single Approver Workflow. This workflow requires one...

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