Dynamics Community Forum Thread Details

How to add validation before default “Close as Won” action in Opportunity (Model-Driven App)

Hi Team,

I am working in a Model-Driven App in Microsoft Dynamics 365 Sales.

I need to implement custom validation before the default “Close as Won” action executes on the Opportunity form.

Requirement:

• When the user clicks “Close as Won”

• If a specific field (e.g., currentsituation) is empty

→ Show a form notification and prevent the Close as Won dialog from opening

• If the field is populated

→ Allow the default Microsoft Close as Won dialog to open normally

What I tried:

Used Ribbon Workbench (Classic)
Created a custom command
Added a JavaScript action for validation
Attempted to call the default command (Mscrm.Form.opportunity.CloseAsWon) via:

CommandCore
Reference Action
XrmCore.Commands.CommandManager.executeCommand

However:

• CommandCore keeps reverting

• Reference Action option is not available

• XrmCore is undefined in Unified Interface

• JavaScript either doesn’t trigger or default command does not execute.