Hello,
i have created record in sandbox through Salesforce lightning UI and attached some document with record,In lightning UI,Document save as a file,i can export and import data But How can I export file and import file in production.

How Can I put Helptext in lightning:select ?

<lightning:select aura:id="WFRoleId" class="optionClass" name="picklistSelect" value="{!v.Dealobj.WF_Role__c}" label="WF Role" >
                            <aura:iteration var="opt" items="{!v.WFRoleList}">
                                <option value="{!opt.value}" selected="{!v.Dealobj.WF_Role__c}" > {!opt.label}</option>
                            </aura:iteration>
                        </lightning:select>

I know <lightning:helptext content="Testing"  /> ,But It is not render ? when i put inside Lightning:select as child component.