KnowledgeAttachmentKind

"""
What a note is attached to. Exactly one target — a concept or an entity, never both.
"""
enum KnowledgeAttachmentKind {
  """The note is about a concept in the ontology (`conceptId` is set)."""
  CONCEPT
  """
  The note is about a specific entity (`entityType` + `entityId` are set).
  """
  ENTITY
}