You are reading the documentation for an outdated Corteza release. 2024.9 is the latest stable Corteza release.
The diagram outlines the entire data syncing process from the API request to field mapping and storage from the destination node perspective.
@startuml
skinparam responseMessageBelowArrow true
actor "Origin Node" as NodeOrigin

box "Destination Node" #f7f7f7

participant "Federation Service" as FederationService
participant "Compose Record Service" as ComposeRS
database Store
participant "Federation Data Service" as FDataService
participant Decoder

activate FederationService

NodeOrigin <-> FederationService: Get federated records.

Store <-> FederationService: Get module M properties and field mapping definitions.

note over Decoder
The decoder converts federated records
from a specific format into the internal
format used by Corteza.
end note
Decoder <-> FederationService: Decode federated records into the internal structure.

FDataService <-> FederationService: Apply field mapping to obtain the final set of records to create or update.

FederationService -> ComposeRS: Create or update records
activate ComposeRS
ComposeRS -> Store: Write data to the store layer.

ComposeRS -> FederationService: status
deactivate ComposeRS

FederationService -> Store: Update data sync status
deactivate FederationService
end box
@enduml