A Value Type is defined as a stereotype of UML Data Type to establish a more neutral term for system values that may never be given a concrete data representation. A Value Type adds an ability to carry a of measure of a Quantity Kind associated with the value.
Use theto find all standard value types.
When specifying the Value Type for a Value Property, you can select one of the following:
Look at the table below to see the differences.
If you want to specify the Value Type for a Value Property, follow the procedures in the Using Units page.
|Value Type||Name construction||Purpose||Example|
|Unitless||Quantity name, e.g. distance.||Use this to create a general-purpose model. Instance Specifications and its can contain different units of the same Block.|
|With specified||Quantity and unit names, e.g. distance[metre].||Use this to create a specific-purpose model. Instance Specifications and its Slots can contain the same units of the same Block.|