Task

Execution new in 2.0 since 2.0 aow:Task

A unit of assigned work within a Plan, performed by an Actor filling a Role.

Defines the unit of work that is assigned. A Task is assigned to an Actor. An Action is performed to complete it. A Skill is the capability the Action uses.

Attributes

Attribute	Type	Required	Description
`status`	one of `submitted`, `working`, `input-required`, `completed`, `failed`, `canceled`, `rejected`		Where the Task is in its life.
`due_by`	datetime		When the Task must be completed.
`description`	text	yes	Longer human-readable explanation.

Every entity also has an id and a type, and may carry label, description, and the provenance facet: version, created_at, created_by, revision_of.

Relationships

Relationship	Points to	How many	Meaning
`shaped_by`	Context	many	Context that gives the Intent or Task its situational meaning.
`concerns`	Work Item	many	The Work Item the Intent, Task, or Action is about.
`constrained_by`	Policy	many	Policies that apply.
`requires_assurance`	Assurance Level	one	The highest Assurance Level at which this work may be done. The effective level is the lowest of the Intent's, the Task's, the Skill's, and the performing Agent's autonomy_level.
`depends_on`	Task	many	Tasks that must complete before this one can start.
`assigned_to`	Actor	one	The Actor responsible for performing the Task.
`requires_role`	Role	one	The Role an Actor must fill to take the Task.

Pointed to by

From	Relationship	Read backward as
Plan	`has_task`	part of plan
Task	`depends_on`	prerequisite of
Action	`fulfills`	fulfilled through
Observation	`about`	observed by

Notes

Task states match the task states of the Agent2Agent (A2A) protocol, so Tasks can be exchanged over A2A without conversion.

Alignments

Standard or protocol	Term	Correspondence
Agent2Agent (A2A)	`Task`	closeMatch
BPMN 2.0	`Task`	relatedMatch

Example

Source: examples/claims-processing.jsonld. The example passes all validation checks.

{
  "id": "task-extract-84933",
  "type": "Task",
  "description": "Extract claim metadata from the claim form.",
  "status": "completed",
  "concerns": [
    "claim-84933"
  ],
  "assigned_to": "agent-validation",
  "requires_role": "role-eligibility-processor"
}

Term reference · JSON Schema · SHACL shape aowsh:TaskShape