Getting started with Apex Trigger guide for salesforce devel

What is Trigger?

Trigger are custom codes that fires when a record is created, updated and deleted.

Types of Trigger

Apex(Before) Trigger

Apex(After) Trigger

A trigger is an Apex script that executes before or after specific data manipulation language (DML) events occur, such as before object records are inserted into the database, or after records have been deleted. The function Apex triggers avail you the freedom to perform custom actions before making changes to Salesforce records, like insertions, updates, or deletions.

A trigger is the Apex code that executes before or after the subsequent kinds of operations:

Insert

Update

Merge

Upsert

Undelete

Delete

Implementing the Triggers in Salesforce

Upsert triggers fire each before and once insert or before and after update triggers as applicable.

Merge triggers fire each before and after delete for the losing records, and both before and after update triggers for the winning record.

Triggers that execute once a record has been undeleted only work with specific objects.

Field history not records till the top of a trigger.

Conclusion: Triggers in Salesforce

Hence, in this Salesforce Triggers tutorial, we learned what is triggers in Salesforce. Moreover, we discussed types of triggers. Also, we saw Trigger Context and how to implement triggers in salesforce. Still, if you have any query, feel free to ask and connect with us.

Thanks for reading..............