What is trigger syntax in Salesforce?
To define a trigger, use the following syntax: trigger TriggerName on ObjectName (trigger_events) { code_block } where trigger_events can be a comma-separated list of one or more of the following events: before insert.
What is correct syntax of trigger?
Syntax for creating trigger: CREATE [OR REPLACE ] TRIGGER trigger_name. {BEFORE | AFTER | INSTEAD OF } {INSERT [OR] | UPDATE [OR] | DELETE} [OF col_name]
How do I create a trigger in Salesforce?
The following steps show the different types of triggers you can use.
- From Setup, select Customize and then click the object that you want to add the trigger to.
- Click Triggers and then click New.
- To define your trigger, enter Apex code similar to this sample code.
- Make sure that Is Active is selected.
- Click Save.
How do I use triggers in Salesforce?
The simplest example of a trigger is a trigger on contact which will create a new Account record whenever a contact is created without an account. In the Developer Console, click: File > New > Apex Trigger. Name the trigger “WelcomeTrigger” and choose “Account” as the sObject.
How do I find my Salesforce trigger code?
To view the details for a trigger, from Setup, enter Apex Triggers in the Quick Find box, then select Apex Triggers, then click the name of the trigger. You can also access the trigger details from the object management settings for an object.
What is trigger with example?
Triggers are the SQL codes that are automatically executed in response to certain events on a particular table. These are used to maintain the integrity of the data. A trigger in SQL works similar to a real-world trigger. For example, when the gun trigger is pulled a bullet is fired.
How do I add a trigger to a record?
To create a trigger, we need to change the delimiter. Inserting the row into Table1 activates the trigger and inserts the records into Table2. To insert record in Table1. To check if the records are inserted in both tables or not.
What is trigger context variables in Salesforce?
What are Trigger context variables in salesforce? Trigger context variables in salesforce. All triggers define implicit variables that allow developers to access run-time context. These variables are contained in the System.
How many types of triggers are there in Salesforce?
two types
There are two types of triggers: Before triggers are used to update or validate record values before they’re saved to the database.
How do you call a trigger?
Procedure
- Write a basic CREATE TRIGGER statement specifying the desired trigger attributes.
- In the trigger action portion of the trigger you can declare SQL variables for any IN, INOUT, OUT parameters that the procedure specifies.
- In the trigger action portion of the trigger add a CALL statement for the procedure.
Can we use SOQL in trigger?
SOSL queries are only supported in Apex classes and anonymous blocks. You cannot use a SOSL query in a trigger.
Can we call batch from trigger?
Batch Apex can be invoked using an Apex trigger. But the trigger should not add more batch jobs than the limit.