Telerik.Sitefinity.Web.UI.ControlDesign.ContentSelector; How

Currently I have this control:
<designers:ContentSelector 
                       ID="selector" 
                       runat="server" 
                       TitleText="Choose Items" 
                       BindOnLoad="false"   
                       WorkMode="List"  
                       SearchBoxInnerText="" 
                       SearchBoxTitleText="<%$Resources:Labels, NarrowByTypingTitleOrAuthorOrDate%>" 
                       ListModeClientTemplate="<strong class='sfItemTitle'>Title</strong>">
</designers:ContentSelector>

The problem is that there seems to be a default verification on the item's SearchBox that is preventing me from clearing the filter when the box is empty, there seems to be a baked in verification that requires a minimum 3 characters to apply the filter. Is there a way to override whatever is doing the verification?

Thank you.

Hello James,

 Thank you for contacting Telerik support team. 

You have to add the following line of code:

this.get_itemsSelector().get_itemSelector()._selectorSearchBox.get_searchBox()._minCharacters = 1;