Import an explicitly supplied chat attachment as a new score using its file reference; an edited copy of an existing score is saved into that score instead. Audio/video starts a held or queued transcription; PDF, PNG/JPEG, MusicXML, MXL, MIDI and ABC are notation imports without transcription credits. file requires download_url and file_id; file_name and mime_type are optional. provider: local (one instrument/voice), piano (solo piano), mirelo (band). bpm and pro_options represent user-supplied or source-established musical choices; view selects notation. Pro instrumentation and price consent are held before processing. replay_only restricts configured test accounts to exact saved results. Returns job ID, status, processing limit and panel progress; queued is not completion.