Dialogs were one of the common customizations applied to Dynamics 365 to guide a user through specific steps. They were commonly used in call center scenarios, where a fixed script must be followed while interacting with a customer, and data is being captured at each step.
They are still available in the current version of Dynamics 365 but have been marked as deprecated. This means that no new functionality will be added, and they will be removed from the platform in a future version. With that being said, there are many organizations still using this functionality, and time is allowed for these customers to upgrade to the new functionality.
A dialog is a type of process used to create an interactive data entry form that guides the user step by step through a scenario. This process relies on continuous user interaction and requires user input to run through to completion.
A dialog presents the user with an interface that's similar to a wizard. The user...