Microsoft Power Apps Designer helps create Model Driven apps. However, there are capabilities in the Dynamics 365 Legacy / Classic Solution Explorer that are NOT yet available in the Microsoft Power Apps New Designer. Until then – use the Classic Solution Explorer to perform app making and customization tasks that can’t be completed from the Power Apps home page. Here are some Classic Solution Explorer capabilities NOT yet in Power Apps New Designer.
Relationship Behavior – Configurable Cascading
As of 5/25/2021. Dynamics 365 Legacy / Classic Solution Explorer supports modifying the Relationship Behavior of 1:N Relationship settings – such as setting the Type of Behavior from the default “Parental” to “Configurable Cascading“, Assign behavior to “Cascade None” instead of the default “Cascade All“
Form Navigation Area Editing
As of 5/25/2021. Dynamics 365 Legacy / Classic Solution Explorer supports form navigation area editing. Located on the left side of the classic form designer, use the navigation area to control access to related entities or to add links to URLs to be displayed in the main pane of the form. To edit navigation, you must first select the Navigation command in the Select group of the Home tab. No such editing option in the new Designer.
Navigation Pane Item Custom Label
As of 5/25/2021. Dynamics 365 Legacy / Classic Solution Explorer supports Navigation Pane Item Custom Label. This allows for the editing of the Related Table (1:N Relationship) display label different than the table name.
Real-Time Workflows / Legacy Workflows / Business Process Flows
As of 5/31/2021. Dynamics 365 Legacy / Classic Solution Explorer supports the creations of Real-Time Workflows or Legacy Workflows. It also supports the creations of Business Process Flows (BPF). The Microsoft Power Apps New Solution Designer under the “Process” type can display Real-Time Workflows, Legacy Workflows and BPFs, however there is no option to create them. Need to Switch to classic to do this at this time.
Activity Type Party List Field
As of 6/15/2021. Dynamics 365 Legacy / Classic Solution Explorer displays Party List type in Table (Entity) Columns (Fields). The only supported option to setup a new Party List field is via a Custom Activity Type table (entity) – and re-purpose the existing 11 Party List fields such as To, CC, Customers, etc.
As of 6/21/2021. Dynamics 365 Legacy / Classic Solution Explorer Form Designer supports the Reference Panel section option. A reference panel is a single column section. You can insert sub-grids, quick view control, or a knowledge base search control inside a reference panel section. Each control that you added in the reference panel appears as a vertical tab within the panel at runtime. This is a good UI option – but for now only able to add it via the Classic Form Designer. Here is a nice write-up on Reference Panels by MVP Dian Taylor
Editable Grids / Editable Sub-Grids / Nested Grids
As of 6/23/2021. With editable grids, users can do rich in-line editing directly from views and sub-grids whether they’re using a web app, tablet, or phone. Dynamics 365 Legacy / Classic Solution Explorer is the only option currently to setup/configure the Editable Grid or Sub-grid/Nested Grid control. Here is a good write-up on Nested Editable Grids by MVP Priyesh Wagh
Select entities for Relevance Search
As of 7/7/2021. Relevance Search delivers fast and comprehensive search results in a single list, sorted by relevance. Select entities for Relevance Search is only available via Dynamics 365 Legacy / Classic Solution Explorer.
Option Set / Choice field type NOT using existing Option Set
As of 8/29/2021. The field type “Choice” (previously called Option Set) to NOT use an existing Option Set is only available via Dynamics 365 Legacy / Classic Solution Explorer.
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