| DictionaryId | str | Identifier of the observational dictionary defining the type of observation [None] | |
| ExtObjectId | ExtObjectId | Unique EXT object identifier [None] | |
| Group | str | Group identifier for linked observational blocks [None] | |
| Id | int | Identifier of the observational block [None] | |
| Name | str | Name of the observational block [None] | |
| PI | Curation | Information about the investigator(s) [None] | |
| ProgramId | str | Observational program identifier [None] | |
| Start | datetime | UTC date the observational block was started [None] | |
