Object Reference : Object View and Procedure Reference : Group
  
 
clearhist
Clear the contents of the history attribute for group objects.
Removes the group’s history attribute, as shown in the label view of the graph.
Syntax
group_name.clearhist
Examples
g1.clearhist
g1.label
The first line removes the history from the group G1, and the second line displays the label view of G1, including the now blank history field.
Cross-references
See “Labeling Objects” for a discussion of labels and display names.
See also Group::label.