get https://api.seismic.com/planner/v2/spaces//nodes//associations
Retrieve content associations for a node (project, task, or request).
These associations will be only be for content that exists in the library. This content can be of any type and can be within any teamSite. The space and teamSite IDs are interchangeable here.
If you need to retreive the data for a piece of content, the GUID version of the ID can be used in the public content APIs to retreive the data.