OTL customer uses external projects and tasks

Summary:

The ask is to integrate with external project management system at the project, task, sub-task level.

Content (please ensure you mask any confidential information):

Requirements

1. Present project, task, sub-task on OTL using REST API or batch load
2. Ensure the relationship between project → Task → Sub-task stay linked. I.e., sub-task and Task must be connected to the project selected.

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):