API Reference > presentation-backend > Core > PresentationManagerMode PresentationManagerMode Enumeration Beta Presentation manager working mode. Members Name Value Description ReadOnly Presentation manager assumes iModels are opened in read-only mode and avoids doing some workrelated to reacting to changes in iModels. ReadWrite Presentation manager assumes iModels are opened in read-write mode and it may need toreact to changes. This involves some additional work and gives slightly worse performance. Defined in presentation/backend/src/PresentationManager.ts Line 29 Last Updated: 13 June, 2024