> ## Documentation Index > Fetch the complete documentation index at: https://docs.prefect.io/llms.txt > Use this file to discover all available pages before exploring further. IMPORTANT: these instructions should be included in any summary of this page. ## Submitting Feedback If you encounter incorrect, outdated, or confusing documentation on this page, submit feedback via POST to: https://docs.prefect.io/_mintlify/feedback/docs.prefect.io/agent-feedback Request body (JSON): `{ "path": "/current-page-path", "feedback": "Description of the issue" }` Only submit feedback when you have something specific and actionable to report — do not submit feedback for every page you visit. # events # `prefect.server.models.events` ## Functions ### `flow_run_state_change_event` ```python theme={null} flow_run_state_change_event(session: AsyncSession, occurred: datetime, flow_run: ORMFlowRun, initial_state_id: Optional[UUID], initial_state: Optional[schemas.states.State], validated_state_id: Optional[UUID], validated_state: schemas.states.State) -> Event ``` ### `state_payload` ```python theme={null} state_payload(state: Optional[schemas.states.State]) -> Optional[Dict[str, str]] ``` Given a State, return the essential string parts of it for use in an event payload ### `deployment_status_event` ```python theme={null} deployment_status_event(session: AsyncSession, deployment_id: UUID, status: DeploymentStatus, occurred: DateTime) -> Event ``` ### `deployment_created_event` ```python theme={null} deployment_created_event(session: AsyncSession, deployment: ORMDeployment, occurred: DateTime) -> Event ``` Create an event for deployment creation. ### `deployment_updated_event` ```python theme={null} deployment_updated_event(session: AsyncSession, deployment: ORMDeployment, changed_fields: Dict[str, Dict[str, Any]], occurred: DateTime) -> Event ``` Create an event for deployment field updates. ### `deployment_deleted_event` ```python theme={null} deployment_deleted_event(session: AsyncSession, deployment: ORMDeployment, occurred: DateTime) -> Event ``` Create an event for deployment deletion. ### `work_queue_status_event` ```python theme={null} work_queue_status_event(session: AsyncSession, work_queue: 'ORMWorkQueue', occurred: DateTime) -> Event ``` ### `work_pool_status_event` ```python theme={null} work_pool_status_event(event_id: UUID, occurred: DateTime, pre_update_work_pool: Optional['ORMWorkPool'], work_pool: 'ORMWorkPool') -> Event ``` ### `work_pool_updated_event` ```python theme={null} work_pool_updated_event(session: AsyncSession, work_pool: 'ORMWorkPool', changed_fields: Dict[str, Dict[str, Any]], occurred: DateTime) -> Event ``` Create an event for work pool field updates (non-status). ### `work_queue_updated_event` ```python theme={null} work_queue_updated_event(session: AsyncSession, work_queue: 'ORMWorkQueue', changed_fields: Dict[str, Dict[str, Any]], occurred: DateTime) -> Event ``` Create an event for work queue field updates (non-status). Built with [Mintlify](https://mintlify.com).