OptionaldataStore data associated with the current sub stage. Its meaning of different sub stages are as follows.
'ERROR': { code, message, stage? }Note: For now, 'PARSE' sub stages use this field only, except on errors.
The database that triggered the event
The progress percentage (0-100)
The current stage of opening one drawing file
OptionalsubThe current sub stage
The status of the current sub stage
Event arguments for progress events during database operations.