Description  | 
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Manipulate the app menu dropdown entries  | 
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Parameters  | 
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string  | 
Action add/delete/modify)  | 
string  | 
the id for the entry  | 
string  | 
the title for the new entry (or the new title)  | 
callback  | 
callback function when the option is seleced  | 
Return  | 
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No return value  | 
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Example  | 
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