The proprietary virtual attributes only request control may be included in a search request to indicate that any search result entries that are returned should only include the values of virtual attributes generated for the entry, and that real attributes should be excluded. The control has an OID of 2.16.840.1.113730.3.4.19, and it does not take a value.
The following sample shows the JSON encoding for the control:
{
"oid": "2.16.840.1.113730.3.4.19",
"control-name": "Virtual Attributes Only Request Control",
"criticality": false
}