question: gets the optional argument . for calls this is a filter string key : value , key : value ... or empty for all inbound calls , for voice mail this will be the users vmail box and is ignored for api types . concode_field_sep String argument concode_elem_sep Class<? extends Item> itemType concode_elem_sep String itemName concode_elem_sep FreeswitchBindingType type concode_field_sep String getItemName concode_elem_sep boolean filtered concode_elem_sep FreeswitchBindingType getType concode_elem_sep Class<? extends Item> getItemType concode_elem_sep void setType concode_elem_sep void setArgument concode_elem_sep void setItemName
target: String function ( ) { return argument ; }