The New command constructs a new context menu to which entries, queries, and entry generators can be added using the Entries[Add], Entries[AddMultiple], Queries[Add], and EntryGenerators[Add] commands. You can replace the current context menu with the new context menu using the Install command.

with(ContextMenu):

Replace the default context menu with a new context menu.

newCM := New();

$\mathrm{newCM}:=\mathbf{module}\left(\right)\mathbf{option}\mathrm{package}\;\mathbf{local}\mathrm{ListTestsPassed}\,\mathrm{ListTypesPassed}\,\mathrm{ListTestsRun}\,\mathrm{ListTypesRun}\,\mathrm{ListTestsByType}\,\mathrm{ExpressionHandler}\,\mathrm{BuildActionList}\,\mathrm{GetTestResult}\,\mathrm{IsEntryActive}\,\mathrm{SubmoduleLoadSet}\;\mathbf{export}\mathrm{Entries}\,\mathrm{Queries}\,\mathrm{EntryGenerators}\,\mathrm{HandleExpression}\,\mathrm{Categories}\,\mathrm{Copy}\,\mathrm{TypeTree}\,\mathrm{EntriesTests\_by\_Types}\,\mathrm{ActivityTests}\,\mathrm{Input}\,\mathrm{Load}\,\mathrm{\_pexports}\;\mathbf{end\; module}$

newCM[Entries][Add]("Multiply by 2", "2*%EXPR", numeric);

$0$

newCM[Queries][Add]("Divisible by 2", proc(p) evalb(p mod 2 = 0) end proc);

newCM[Entries][Add]("Divide by 2", "%EXPR/2", integer, 'test'="Divisible by 2");

$7$

Install(newCM);