Apex Triggers
Apex triggers enable you to perform custom actions before or after events to records in Salesforce, such as insertions, updates, or deletions. You can know more about Apex triggers here. You need to create three different triggers
Contact Trigger - If there is any change to the Contact then contact trigger will be invoked
Lead Trigger - If there is any change to the Lead then lead trigger will be invoked
Account Trigger - If there is any change to the Account then account trigger will be invoked
To create a trigger follow the below steps
Click on settings icon
Then click on Setup option from the dropdown
Search for Apex Triggers option and click on it
Click on Developer Console button
In the developer Console click on File
Click on New and Select the Apex Trigger option
For the Contact Trigger give the
Name as ContactTrigger
For sObject select Contact from the dropdown
Then paste the below code
Atlast save the code
For the Lead Trigger give the
Name as LeadTrigger
For sObject select Lead from the dropdown
Then paste the below code
Atlast save the code
For the Account Trigger give the
Name as AccountTrigger
For sObject select Account from the dropdown
Then paste the below code
Atlast save the code
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