Pixcellence Technologies Interview Questions and Answers

Communication between independent components in LWC can be achieved using events, pubsub, and properties.

• Use events to communicate between components in a parent-child relationship

• Implement pubsub pattern using custom events to communicate between unrelated components

• Pass data between components using properties

OWDs in SF refer to Organization-Wide Defaults which control the default level of access users have to records in Salesforce.

• OWDs determine the baseline level of access for all records in an organization

• They can be set to Public Read/Write, Public Read Only, Private, or Controlled by Parent

• OWDs can be further refined using sharing rules and manual sharing

Write a trigger on delete event

• Create an Apex trigger on the object you want to trigger on

• Use the 'before delete' context to perform actions before the record is deleted

• Access the records being deleted using Trigger.old or Trigger.oldMap

Asynchronous Apex is used to run processes in the background without user interaction.

• Asynchronous Apex is used for long-running processes that don't require immediate user interaction.

• It allows for better performance by running tasks in the background.

• Examples include batch Apex, future methods, and queueable Apex.

LWC in omnistudio refers to using Lightning Web Components in Salesforce's OmniStudio for building custom applications.

• LWC can be used in OmniStudio to create custom components and pages for applications.

• LWC allows for building interactive and responsive user interfaces in OmniStudio.

• LWC can be integrated with other Salesforce tools and services within OmniStudio.

• Example: Creating a custom LWC component to display data from Salesforce objects in an OmniStudio application.

Best practices for integration involve using APIs, following security protocols, and considering scalability.

• Utilize APIs for seamless data exchange between systems

• Follow security protocols such as encryption and authentication to protect data

• Consider scalability by designing integration processes that can handle increasing data volumes

• Use middleware tools like MuleSoft or Dell Boomi for complex integrations

• Document integration processes and configurations for future referenc...read more

A trigger is a piece of code that automatically executes when a specific event occurs in a Salesforce database.

• Triggers are used to perform custom actions before or after records are inserted, updated, or deleted.

• Triggers can be written in Apex programming language.

• Triggers are associated with a specific object in Salesforce, such as Account, Contact, or Opportunity.