public static switch_status_t switch_event_add_header_string(switch_event arg0, switch_stack_t stack, string header_name, string data) { switch_status_t ret = (switch_status_t)freeswitchPINVOKE.switch_event_add_header_string(switch_event.getCPtr(arg0), (int)stack, header_name, data); return ret; }