• Yusuf Akardere
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I am facing below error while trying to verify Step 8-
Error: Please ensure that product2Extension and its methods are still working as specified in the earlier challenge.

Code below:
public class Product2Extension {

    public List<ProductWrapper> productsToInsert {get;set;}

    public Product2Extension(ApexPages.StandardController controller){
        productsToInsert = new List<ProductWrapper>();
    public List<SelectOption> GetFamilyOptions() {
        List<SelectOption> options = new List<SelectOption>();
        options.add(new SelectOption(Constants.SELECT_ONE, Constants.SELECT_ONE));
        for(PickListEntry eachPicklistValue : Constants.PRODUCT_FAMILY) {
            options.add(new SelectOption(eachPicklistValue.getValue(), eachPicklistValue.getLabel()));
            return options;
    public void AddRows(){
        for (Integer i=0; i<Constants.DEFAULT_ROWS; i++ ){
            productsToInsert.add(new ProductWrapper());

    public List<ChartHelper.ChartData> GetInventory(){
        return ChartHelper.GetInventory();

    public PageReference Save(){
        SavePoint sp = Database.setSavepoint();
        Integer insertedCount = 0;
        try {
            List<Product2> newProducts = new List<Product2>();
            List<PriceBookEntry> pbeList = new List<PriceBookEntry>();
            List<ProductWrapper> filteredProductWrappers = new List<ProductWrapper>();
            for(ProductWrapper eachPW : productsToInsert) {
                if(!String.isBlank(eachPW.productRecord.Name) && !String.isBlank(eachPW.productRecord.Family) && 
                   eachPW.productRecord.Family!=Constants.SELECT_ONE && eachPW.productRecord.isActive &&
                   eachPW.pricebookEntryRecord.UnitPrice!=null && eachPW.productRecord.Initial_Inventory__c!=null && 
                   eachPW.productRecord.Initial_Inventory__c!=0 && eachPW.pricebookEntryRecord.UnitPrice!=0) {
            for(ProductWrapper eachPW : filteredProductWrappers) {
            Database.SaveResult[] productSaveResults = Database.insert(newProducts, false);
            for(Integer i=0; i<productSaveResults.size(); i++) {
                if(productSaveResults[i].isSuccess()) {
                    PriceBookEntry pbe = filteredProductWrappers[i].pricebookEntryRecord;
                    pbe.Product2Id = productSaveResults[i].getId();
                    pbe.IsActive = true;
                    pbe.Pricebook2Id = Constants.STANDARD_PRICEBOOK_ID;
            Database.SaveResult[] pbeSaveResults = Database.insert(pbeList, false);
            //If successful clear the list and display an informational message
            apexPages.addMessage(new ApexPages.message(ApexPages.Severity.INFO,insertedCount + ' Inserted'));
            productsToInsert.clear();   //Do not remove
            addRows();  //Do not remove
        catch (Exception e){
            System.debug('Exception occured:'+e.getMessage());
            apexPages.addMessage(new ApexPages.message(ApexPages.Severity.ERROR, Constants.ERROR_MESSAGE));            
        return null;
    public class ProductWrapper {
        public Product2 productRecord {get;set;}
        public PriceBookEntry pricebookEntryRecord {get;set;}
        public ProductWrapper() {
            productRecord = new Product2();
            pricebookEntryRecord = new PricebookEntry();

I want to create a tab for Standard object User. Can I do so, if yes then how to do so?

Thanks in advance.

I'm trying to complete the trail module named in the subject, but I'm getting an error of:
Challenge Not yet complete... here's what's wrong: 
Couldn't find newField.behavior set to 'Metadata.UiBehavior.Edit', or newField.field set to 'AMAPI__Apex_MD_API_Twitter_name__c' or method doesn't return 'layoutMetadata'. Please double-check the instructions

Everything looks right to me in the class.  I can't use the namespace they provide because it's already taken.   Earlier in the exercise, it tells you to use your own namespace which I've done.  Can anyone see what's wrong?
public class UpdateContactPageLayout {
    // Add custom field to page layout
    public Metadata.Layout addLayoutItem () {
        // Retrieve Contact layout and section 
        List<Metadata.Metadata> layoutsList = 
            new List<String> {'Contact-Contact Layout'});
        Metadata.Layout layoutMetadata = (Metadata.Layout) layoutsList.get(0);
        Metadata.LayoutSection contactLayoutSection = null;
        List<Metadata.LayoutSection> layoutSections = layoutMetadata.layoutSections;
        for (Metadata.LayoutSection section : layoutSections) {
            if (System.equals(section.label, 'Additional Information')) {
                contactLayoutSection = section;
        // Add the field under Contact info section in the left column
        List<Metadata.LayoutColumn> contactColumns = contactLayoutSection.layoutColumns;     
        List<Metadata.LayoutItem> contactLayoutItems = contactColumns.get(0).layoutItems;
        // Create a new layout item for the custom field
        Metadata.LayoutItem newField = new Metadata.LayoutItem();
        newField.behavior = Metadata.UiBehavior.Edit;
        newField.field = 'BOBN_TRAILHEAD__Apex_MD_API_Twitter_name__c';
        return layoutMetadata;

Here is the Question

Create an Apex class that implements the Schedulable interface to update Lead records with a specific LeadSource. Write unit tests that achieve 100% code coverage for the class. This is very similar to what you did for Batch Apex.
Create an Apex class called 'DailyLeadProcessor' that uses the Schedulable interface.
The execute method must find the first 200 Leads with a blank LeadSource field and update them with the LeadSource value of 'Dreamforce'.
Create an Apex test class called 'DailyLeadProcessorTest'.
In the test class, insert 200 Lead records, schedule the DailyLeadProcessor class to run and test that all Lead records were updated correctly.
The unit tests must cover all lines of code included in the DailyLeadProcessor class, resulting in 100% code coverage.
Run your test class at least once (via 'Run All' tests the Developer Console) before attempting to verify this challenge.

Here is my code so far

global class DailyLeadProcessor implements Schedulable {

    global void execute(SchedulableContext ctx) {
        list<leads>Lead = [select leadSource from lead where isnull= true]
         for (Integer i = 0; i < 200; i++) {
            Leads.add(new lead(
                name='Dream force'+i
        insert Leads;

I am not sure what is wrong here
Hello Frens,

I have a map<ID,ID>. Is there any way I get the key from value ?

ex: Map<1,101>

I have access to 101 but anyway I can get its key ?
Note: values are unique too. No redundant values.