html - Place holder for with -

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I want to give a placeholder for selectMenu. I am using the item to get value in the menu. 

  & lt; h: selectManyMenu's requirement = "true" class = "select-group-select" value = "# {sentMessage selectedUserGroups}" & gt; & Lt; f: SelectionEdit value = "# {sentMessage.userGroups}" /> & Lt; / h: selectManyMenu & gt;   
 Currently showing 'Select some options', but what do I want 'Choose user group'?  
 I tried to use it, but there is still no hope.  
 
 
 Try it out.  
  & lt; h: selectManyMenu required = "right" Class = "select-selected group" value = "# {sentMessage.selectedUserGroups}" & gt; & Lt; F: SelectionEdit ItemLabel = "Choose User Group" Any SelectionOptic = "True" Item Value = "# {zero}" /> & Lt; f: SelectionEdit value = "# {sentMessage.userGroups}" /> & Lt; / H: selectManyMenu & gt;

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