What is a Salesforce trigger tutorial?Before we can answer that question, we must be able to answer What is Salesforce?
The answer to that is: Salesforce is the world’s leading on-demand Customer Relationship Management (CRM) software. Running on the force.com platform, it minimizes development costs and can be delivered extremely quickly. Salesforce is completely cloud-based and does not require any software.
Within Salesforce, trigger is apex code that executes before or after certain types of operations. Triggers will run before object records are updated, inserted or deleted from the database or after records are updated, inserted or deleted and then restored.
So, to answer our initial question, a Salesforce trigger tutorial is a method of Salesforce Training designed to help you master Salesforce basics in relation to triggers in Salesforce.
How do Salesforce tutorials work?
The experts at the website have dedicated a lot of time, effort and energy into making Salesforce tutorials freely available to developers who are interested in improving their knowledge of Salesforce basics and obtaining the best Salesforce training. To this end, they have placed a wide array of in-depth, step-by-step tutorials on their website. All these documents and all the information they contain, from the very basics to the most complicated procedures, are available completely free of cost.
To make use of a Salesforce trigger tutorial, anyone with internet access can instantly and easily gain access to material collated and presented by experts in the field of Salesforce training.
What is the exact layout of a Salesforce Trigger Tutorial?
Each Salesforce trigger tutorial begins with a simple statement of the Learning Objectives. With regards to the tutorial on triggers, the first of the objectives will be the most obvious – to learn to write triggers Salesforce object. The next objective will be to learn about the use of variables of trigger context. The third is to be able to have a class method be called from a trigger, and the final objective will be to be able to restrict save operations in trigger by using sOblect addError()
Once the learning Objectives have been made clear, the tutorial describes what a trigger is and then delves into trigger syntax. It explains how trigger syntax is different from class definition syntax and then gives an example of what basic trigger syntax looks like. A short example is given which you can follow to cause a ‘Hello World’ statement to be written to a log for debugging.
The tutorials explain that the two types are before triggers and after triggers, and then describes the use of context variables. Context variables allow the developer to discover why the trigger fired. A list of trigger context variables is provided.
The next steps are descriptions of using a trigger to have a Class Method called, and then to add related records, and finally how to use trigger exceptions. The tutorial ends by describing how external web browsers can be integrated with Apex code to make calls.
Anyone can learn from a Salesforce trigger tutorial.