WorkflowTransition

Defines an allowed transition in a workflow.

Attributes:
    workflow: Name of the workflow this transition belongs to
    from_state: Source state name
    to_state: Destination state name
    action: Action name that triggers this transition
    allowed_roles: List of roles permitted to perform this transition
    condition: Optional Python expression to evaluate before allowing transition

Source: workflow_transition.py

Fields

Field	Type	Required	Description	Validators
workflow	str		Workflow name	-
from_state	str		Source state	-
to_state	str		Destination state	-
action	str		Transition action name	-
allowed_roles	list[str]		Roles allowed to perform this transition	-
condition	str	None		Optional Python expression for conditional transitions

Configuration

Setting	Value
Submittable	False
Track Changes	True

Controller

Controller hooks are implemented in *_controller.py files. Available lifecycle hooks:

• validate() - Called before save, raise exceptions for validation errors
• before_insert() - Called before inserting a new document
• after_insert() - Called after successfully inserting
• before_save() - Called before saving (insert or update)
• after_save() - Called after saving
• before_delete() - Called before deleting
• after_delete() - Called after deleting