Check out this technical reference to understand in detail how the SAMS server works and can be developed further.
sams.api.service
sams.api.admin
sams.api.admin.storage_destinations
sams.api.admin.sets
sams.api.produce
sams.api.produce.assets
sams.api.consume
sams.api.consume.sets
sams.api.consume.assets
sams.api.public
sams.api.public.assets
SAMS server & client reference v0.3.1
sams.utils