First we want to say sorry in this section, we haven't a good example to you, but we'll also explain to you how to write a data sync service.
Create a kotlin file named KotlinSyncService.kt locate in src/main/kotlin/runflow, you can read our explanation in code comments:
After you coding finished, add the following content to plugin-spec.yml:
data-sync-services:
- service: runflow.KotlinSyncService
name-bundle-id: Demo Sync Service