Assignment level bulk actions are not yet available OOTB in constellation as of v24.2...but Case wide bulk actions are available... This article describes how to implement "bulk tranfer assignment" feature using Case wide bulk action.(Note: This will only work when the case has one open assignment. if there are multiple open assignments for a case, only the first assignment is being transferred.)

1. Create a wrapper activity to loop through the pxflows and skip the flows where pxSystemFlow = true.

Steps:

Step1-Method Params

Step1-Loop

Step1-When

Step1-Jump

Step2-Method Params

Step2-When

Step3-Method Params

Parameters:

Page&Clasess:

Security:

2. Customize pyTransferAssignment flow action.

Save a copy of Work-.pyTransferAssignment into your application ruleset... rename it... (e.x.BulkTransferAssignment)... 

Action Tab: Specify your wrapper activity as the post "Run activity"

3. Add "bulk transfer action" to the case type.

Relateds links:

Enabling bulk processing of Cases in Constellation