You are not able to use the select all button inside a field with type Object Value Selector or make multiple selections.
SAP Cloud for Customer.
Reproducing the Issue
- Go to Sales.
- Sales Quotes.
- Open the advanced search.
- Under the Items section, the product field is available for search.
- Click on the OVS button.
This is the system expected behavior. This list view is defined as selectOption="singleSelect",
In this case you cannot perform multi select on a OVS.
Multi Selection, Select All, OVS field. , KBA , AP-RC-UIF , C4C UI Framework , How To