Basic Examples 
(2)
 

A selector for three possible values:
In[40]:=
[◼]
CheckboxBarSelectAll
[Dynamic[x],{1,2,3}]
Out[40]=
———
A selector for three possible labeled values:
In[43]:=
[◼]
CheckboxBarSelectAll
[Dynamic[x],{1"one",2"two",3"three"}]
Out[43]=

Options 
(3)
 
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