List an opportunity's attachments
Returns metadata for every file attachment on file for this opportunity.
Content itself is not returned — attachments are typically large binary/text documents unsuited to list responses.
Authentication
AuthorizationBearer
BrightMove OAuth2 client_credentials - use the client_id/client_secret from User > API Keys (or an admin-managed client).
Path parameters
guid
Stable public identifier of the opportunity
Response
Attachments returned