Modify a mobile business object that contains a single attribute  using the Properties view. 
Single attribute properties| Tab
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| General | 
                            - Name –  the name of the attribute. You cannot use keyword or reserved words as the attribute name.
 
- Datatype – the attribute's datatype. 
 
- Nullable – select this option to allow null as  a valid value. This option may not be available if the datatype  does not support null. 
 
- Map to – the data source to which the attribute maps.
 
- Primary key   –   identifies the data source column  as a primary key.
 
 
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