Data access control via target object and security role

From Dataloy API v3.15.0 through the DataControl object it is  possible to control data access for a target user(s) for a given object connected to the target by checking if the user(s) belongs to a given role. For example, if we want to limit access for the captain of a vessel to voyages consisting only of their vessels, a DataControl object like this has to be posted:

{
    "matcherTarget": "User",
    "matcherAttributeTarget": "key",
    "objectName": "Voyage",
    "attribute": "voyageHeader.vesselCode.masterUser",
    "dataControlRoleValues":[
    	{"role": "MASTER_ONLINE_VESSEL"}
    ]
}

• matcherTarget defines the Dataloy object that has to be used as target object
• matcherAttributeTarget defines the attribute in the object target that links the object with the user
• objectName the Dataloy object that has to be applied to the access control
• attribute the attribute name that links the Dataloy object with the target object