Each data object in the MIB has a name, called the classid, which defines its type and semantics. A classid is a string that forms a hierarchical name space by using a period (.) to separate levels of the tree. For example:

In this example, the object is identified as an experimental object (exp). In the current release, all objects are under the experimental branch of the name space tree, owned by the session control facility (scf), in scs code block, and is the scb_query object.