Reproduction
Use StackBlitz to reproduce your issue (forked from documentation examples and added only console.log): https://stackblitz.com/edit/angular-trx3ff?file=src/app/cdk-drag-drop-connected-sorting-group-example.ts
Steps to reproduce:
- Try to receive data form dragged item in the event
Expected Behavior
What behavior were you expecting to see?
event.item.data returns data that attached to the item
Actual Behavior
What behavior did you actually see?
event.item.data is undefined
Environment
- Angular:9+
- CDK/Material:9+
- Browser(s):All
- Operating System (e.g. Windows, macOS, Ubuntu): MacOs

I will be grateful for any help.
Reproduction
Use StackBlitz to reproduce your issue (forked from documentation examples and added only console.log): https://stackblitz.com/edit/angular-trx3ff?file=src/app/cdk-drag-drop-connected-sorting-group-example.ts
Steps to reproduce:
Expected Behavior
What behavior were you expecting to see?
event.item.data returns data that attached to the item
Actual Behavior
What behavior did you actually see?
event.item.data is undefined
Environment
I will be grateful for any help.