Parameters
- fieldName
- Name of the field (key of this dictionary).
- folder
- The attachment folder.
Return Value
Data, as string, that is associated with this schema field.
Target Platforms: .NET 10; .NET 9; .NET 8; .NET 7; .NET 6; .NET Framework 4.8, 4.7, 4.6, 4.5, 4.0, 3.5