Understanding the key authentication flows

For each of the following flows, we will go through the flow's sequence diagram, cover the high-level details of each step, and provide potential use cases and key considerations. In order to draw and read a sequence diagram properly, you need to make yourself familiar with the standard symbols used. The following diagram lists the most common UML sequence diagram symbols:

Figure 4.5 – Common sequence diagram symbols

These flows are not specific to Salesforce; they are open standards and used across different technologies. You need to become very familiar with all of them. During the CTA review board, you will likely need to explain one of these flows. The best way to explain a flow is to draw its sequence diagram and walk the audience through it. It is strongly recommended that you practice drawing these diagrams over and over until you fully memorize them. Also, practice explaining them to an audience...