Top Salesforce Flow Interview Questions & Answers 2024

This blog will explore some of the most commonly asked Salesforce Flow interview questions with answers.

Below are the questions and answers that may be helpful to prepare for a Salesforce Flow interview.

Top Salesforce Flow Interview Questions & Answers

1. What is Salesforce Flow?

Flow is a declarative automation tool in Salesforce. You can drag and drop the various elements available in Flow to achieve the desired automation. Flow can Create, Update, and Delete records. Similarly in Flow, users can input the data into screens and connect with external systems.

2. Types of Salesforce Flows?

Below are the types of flows

• Screen Flow
• Autolaunched Flow
• Record Triggered Flow
• Event-Triggered FLow
• Scheduled Triggered FLow

3. What is Process Automation?

Process Automation is nothing a declarative approve to create an automation in Salesforce.

4. What are the Elements available in Salesforce Flow?

• Create Records
• Update Records
• Delete Records
• Get Records
• Rollback Records
• Screen
• Action
• Sub Flow
• Assignment
• Collection Sort
• Collect Filter
• Loop
• Decision

5. What are the Resources available in Salesforce Flow?

• Variable
• Constant
• Formula
• Choice
• Collection Choice Set
• Collection Choice Set
• Picklist Choice Set
• Stage
• Text Template

6. What is a Salesforce Subflow?

A Subflow is another Flow that is called within a main Flow. It allows reusability of logic by encapsulating them into separate Flow.

7. What is Record Trigger Flow?

The Record Trigger Flow is the same as the apex trigger. Whenever any DML event occurs then the record trigger flow executes. Also, the Flow will run in the background.

8. What is Salesforce Screen Flow?

Screen Flow guides users through steps or questions, and allows users to insert the data. Also, a screen flow can update, delete, or create data based on the user’s input or selection. Similarly, you can send email alerts, and show more questions or information. It can launched through a Lighting page, an Experience site, and many more.

9. What is Scheduled Trigger Flow?

The Schedule Trigger Flow runs at a specified time and frequency. Also, this flow will run in the background.

10. What is Platform Event Trigger Flow?

The Platform Event Trigger Flow will launch whenever a platform event message is received. Also, this flow will run in the background.

11. What is Auto Launched Flow?

The Auto Launched Flow is automatically invoked by something. Also, this flow will run in the background and doesn’t require user interaction.

12. How can you debug a Salesforce Flow?

You need to run the Flow in debug mode for debugging the Flow. Also, insert the values in the input variable, and flow the step through the Flow’s execution. Meanwhile, the debug logs and the Flow’s interview logs will provide details for any issues.

13. Can we add a Lighting Web Component in Salesforce Flow?

Yes, Adding a Lightning Web Component in a Flow requires adding “lightning__FlowScreen” in a target of targets tag in the LWC Meta XML file.

 <targets>
        <target>lightning__FlowScreen</target>
    </targets>

14. Can we call Apex Class from Salesforce Flow?

We can call the apex class by using the Action element in flow. Also, we need to add an invocable method in the apex class. Meanwhile, to set an invocable method write @invocableMethod annotation.

15. What are the limitations of using Salesforce Flow?

• Limited loop count (like 2000 iterations)
• A limited number of SOQL queries and DML statements per flow execution
• Some complex operations might still require Apex code
• Flows can’t be used in certain scenarios where triggers are required

16. What are the actions can be done in Flow?

• Send Email or Email Alert
• Send Notification
• Call Apex Class
• Call Approval Process
• Post to Chatter
• Call Sub Flow

17. What is $Record & $Record__Prior in Salesforce Flow?

• Both are global variables in the flow
• $Record variable is available while creating, updating & deleting the record.
• $Record__Prior is only available while updating the record.
• $Record provides the current value of the record.
• $Record__Prior provided the old value of the record.

18. Can Flows be Used in Communities?

Yes, the flow can be added in Communities using the Flow component. You can create a page of type Flow in Community Builder and specify the Name, URL & API Name of the FLow.

19. How do you handle Exceptions/Errors in Salesforce Flow?

Using the Fault path, we can handle exceptions or errors in the salesforce flow. The fault path is executed, whenever the error occurs in the Flow. Additionally, We can specify actions in the fault path, such as error notifications or logging the error details.

20. What is a Fault Connector?

A fault connector is nothing but a connection to the element, we want to execute whenever the error occurs.

21. What is the maximum salesforce flow interview limit?

A maximum of 2000 elements can be executed in a single salesforce flow interview. The elements present inside the loop will be multiplied by the number of iterations. For example, if 50 records enter the loop and the loop has 4 elements then, the total element count will be 200.

22. How to increase the performance of a Flow?

• Like Apex, hard-coded IDs or values should be avoided, using variables and formulas instead.
• Reduce the number of unnecessary logic & elements.
• You should Avoid nested loops.

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