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Components

Components are the building blocks of a workflow model. They represent events, actions, conditions, and other elements that define what the workflow does and how it flows.

Component types

Type Description Visual shape
Event Triggers that start a workflow (e.g., "Content is created", "Cron runs"). Rounded rectangle
Action Tasks that perform work (e.g., "Send email", "Set field value"). Rectangle
Condition Logic that evaluates to true/false, attached to edges. Displayed as edge labels
Gateway Decision points for complex branching. Diamond
Subprocess References to other workflow models. Double-bordered rectangle

How components are provided

The available components depend on the model owner module. For example:

  • ECA provides events from Drupal core and contributed modules (entity events, cron, form events, etc.), actions from Drupal's action system, and conditions for evaluating entity state, user roles, and more.
  • Other model owners may provide their own sets of components.

Component properties

Every component has:

  • Plugin ID: A unique identifier (e.g., eca_entity:entity_create).
  • Label: A human-readable name shown on the canvas.
  • Component type: An integer constant identifying the kind of component (1 = start/event, 4 = element/action, 5 = link/condition, 6 = gateway, 2 = subprocess). The backend also provides a typeMap that maps these integers to string names (start, element, link, gateway, subprocess).
  • Configuration: Plugin-specific settings edited via the Property Panel.
  • Provider: The Drupal module that provides the component.
  • Documentation URL: An optional link to external documentation.

The display labels for component types (e.g., "Event" vs. "Trigger", "Action" vs. "Task") are provided by the model owner module and can differ between integrations.

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