Where do I specify attribute format in a Class d.

[Colt]

Where do I specify attribute format in a Class diagram.  I have to specify the format for IPAddress version 4.  I am new to the tool and just do not know where I can add the format to an attribute.  Sorry for the fundamental question.

Format for an Internet Protocol version 4 address.
([0-9]|[1-9][0-9]|1([0-9][0-9])|2([0-4][0-9]|5[0-5]))\.([0-9]|[1-9][0-9]|1([0-9][0-9])|2([0-4][0-9]|5[0-5]))\.([0-9]|[1-9][0-9]|1([0-9][0-9])|2([0-4][0-9]|5[0-5]))\.([0-9]|[1-9][0-9]|1([0-9][0-9])|2([0-4][0-9]|5[0-5]))

Colt

[Eve]

The closest that I can think of would be in an attribute constraint.  It's not displayed on the diagram though.

[Geert Bellekens]

Colt,

In your case you better model the IP address as a datatype (class with stereotype datatype)
Then use your datatype as type of the attribute.

Geert

[Colt]

Many thanks for your quick responses.  You have given me some good suggestions to explore.  Most appreciated.

Colt