Business Object Attribute Properties: Values&Validation The Sub TAB Values & Validation is available for the: Attributes TAB of Data Object Models. Data TAB of a Service Model and User Interface Model. The values and validation configuration depends on the attribute type: for attribute type Integer, Float or Date see Values&Validations - Type Integer, Float, Date. for data type String see Values&Validation - Type String. for data type Bool see Values&Validation - Type Boolean. for data type Enum see Values&Validation - Type Enum for data type File see Values&Validation - Type File