📄️ changeSettings()
Configure the data range of a sheet (start row and column range)
📄️ Global omit
Exclude fields from results by default per sheet
📄️ defaults (@default)
Auto-set field values on create with static values or functions (@default)
📄️ updatedAt (@updatedAt)
Auto-set timestamps on create/update (@updatedAt)
📄️ ignore / ignoreSheets (@ignore / @@ignore)
Exclude fields or whole sheets from all operations (@ignore / @@ignore)
📄️ map / mapSheets (@map / @@map)
Map code-side names to spreadsheet headers and sheet names (@map / @@map)
📄️ autoincrement
Auto-increment fields using LockService + PropertiesService (GAS only)
📄️ strictUndefinedChecks / Gassma.skip
This feature corresponds to Prisma's strictUndefinedChecks (Preview feature) and Prisma.skip. It detects unintended undefined values that slip into query inputs as runtime errors, and lets you explicitly omit a field with Gassma.skip.