Triggers

🎯 Course Introduction: Mastering Apex Triggers in Salesforce

I often receive emails from learners about the challenges they face during interviews. In these situations, candidates are usually presented with real-world scenarios and asked to provide viable solutions. Unfortunately, many struggle because they've only focused on memorizing interview questions rather than truly understanding the concepts.

Focusing on foundational understanding empowers you to approach unfamiliar questions with clarity and confidence. Rather than rehearsed answers, this course equips you to think critically, solve problems, and articulate thoughtful solutions in real-life interviews and development environments.

🚀 What This Course Covers

This course dives deep into Apex Triggers in Salesforce. We’ll explore:

• What triggers are and how they fit into the Salesforce platform

• Real-time use cases and development strategies

• A wide range of scenarios from simple to complex

Whether you're new to triggers or looking to master advanced techniques, this course is built to support your growth every step of the way.

📚 Topics You’ll Explore

TOPIC 1: WHAT IS TRIGGER?

TOPIC 2: What ARE TRIGGER EVENTS?

TOPIC 3: WHAT ARE TRIGGER CONTEXT VARIABLES?

TOPIC 4: WHAT IS BEFORE INSERT EVENT, EXPLAIN IT WITH AN EXAMPLE?

TOPIC 5: WHAT IS AFTER INSERT EVENT, EXPLAIN IT WITH AN EXAMPLE?

TOPIC 6: WHAT IS BEFORE UPDATE EVENT, EXPLAIN IT WITH AN EXAMPLE?

TOPIC 7: WHAT IS AFTER UPDATE EVENT, EXPLAIN IT WITH AN EXAMPLE?

TOPIC 8: WHAT IS BEFORE DELETE EVENT, EXPLAIN IT WITH AN EXAMPLE?

TOPIC 9: WHAT IS AFTER DELETE EVENT, EXPLAIN IT WITH AN EXAMPLE?

TOPIC 10: WHAT IS AFTER UNDELETE EVENT, EXPLAIN IT WITH AN EXAMPLE?

TOPIC 11: AVAILABILITY OF TRIGGER.NEW, TRIGGER.OLD, TRIGGER.NEWMAP,  TRIGGER.OLDMAP

TOPIC 12: USE OF TRIGGER.NEW AND TRIGGER.OLD

TOPIC 13: USE OF TRIGGER.NEWMAP AND TRIGGER.OLDMAP

TOPIC 14: USE OF TRIGGER.ISEXECUTING

TOPIC 15: HOW TO AVOID RECURSIVE TRIGGER.

TOPIC 16: BULK APEX TRIGGERS

TOPIC 17: TRIGGER BEST PRACTICES

TOPIC 18: HOW TO DO CALLOUTS FROM APEX TRIGGER

TOPIC 19: Trigger Handler Framework Salesforce

TOPIC 20: Interview questions on apex triggers in salesforce

TOPIC 21: Naming Conventions for Apex Triggers and Best Practices

REAL TIME SCENARIOS:

TOPIC 22: Apex trigger to avoid insertion of duplicate contact in salesforce 

TOPIC 23: Trigger to prevent deletion of account if it has associated contact in salesforce

TOPIC 24: Update Number Of Child Contacts on Account for Contact changes