HTTP Callouts from Triggers?
Question I have a trigger on a custom object that calls a class. This class makes an HTTP GET request to an external web service. However, I encounter the following error: How can I send data to an external web service from a trigger and receive an acknowledgment? While I…
How to Screen Scrape Salesforce with REST GET in Apex?
Question: How can you make a REST GET call from Apex to retrieve data from Salesforce, particularly from standard pages like /001/o or /home/home.jsp? When using the standard Salesforce REST API, the request works for objects (e.g., /services/data/v26.0/sobjects/User/describe), but trying to scrape a regular page results in receiving a placeholder…
Handling Large Batches in Salesforce Without Governor Limit Errors
When creating a large number of accounts and associated contacts in a batch process, you may encounter System.LimitException: Too many DML rows: 10001 due to Salesforce’s governor limits. For example, if you attempt to insert 10,000 accounts, each with 1,000 contacts, the total DML rows exceed Salesforce’s 10,000-row limit for…
How to Upload a Chatter File Using Apex?
Question In the Chatter tab, I can navigate to “Files” and upload a file without attaching it to any record. I want to achieve the same functionality using Apex. How can I create a Chatter File via Apex? Answer To upload a file in Apex, you need to work with…
Updating Existing Leads Instead of Creating New Ones
Question I am new to Apex and trying to solve the following problem using Salesforce Enterprise Edition. We have a web-to-lead form that collects information about resource downloads. This form captures basic visitor details and includes a custom field to store a description of the downloaded resource. Visitors can download…
Why is a field not groupable in SOQL?
Question: I am trying to use an aggregate query in Salesforce, but one of the fields I want to group by is not groupable. I noticed this when I received a SOQL error, and later, I verified that the field’s groupable attribute is set to false in the metadata. The…
How to Retrieve Active Subscribers in Child BU with Unsubscribes?
Question When working with Salesforce Marketing Cloud (SFMC), retrieving accurate subscriber data from a specific Child Business Unit (BU) can be difficult, especially when considering unsubscribe statuses. This challenge arises because ent._Subscribers aggregates records across Parent and Child BUs, which means it doesn’t accurately reflect unsubscribe statuses for a specific…
Can We Chain a Queueable That Makes a Callout?
Question In Apex, we can implement Database.AllowsCallouts in a Queueable class to allow HTTP callouts. However, this seems to interfere with chaining queueable jobs. Consider the following code: Here, MyWSUtil.makeCallout is a static method performing an HTTP callout using data from a custom object that queues pending integrations. QueueUtil contains…
How to Dynamically Access Class Properties in Apex Using Object
Question Can Apex Class Properties Be Accessed Dynamically? Is it possible to dynamically access properties of an Apex class? In Apex, we can create an Object and assign any class to it, but accessing the properties of the assigned class dynamically seems unclear. Can anyone provide documentation or examples of…
Why Do Test Methods Not Support Web Service Callouts?
Question: I’ve been struggling with an error that occurs whenever I try to run a test for a method that contains an HTTP callout. Despite following the architecture guide from Salesforce’s official documentation (http://www.salesforce.com/us/developer/docs/apexcode/Content/apex_classes_restful_http_testing_httpcalloutmock.htm), I still encounter the same error. To verify if it was an issue with my code,…
