PropertyValueMapping
Map values for the specified property.
Valve operates on the Current Item Set and will process all items surviving the common item filtering rules.
Properties
Example Configuration
{
    "name": "PropertyValueMapping",
    "config": { 
        "source":"{{item.countries}}",
        "dest":"languages",
        "mapping_table":"en|English,sv|Swedish"
    }
}Requirements
Item set must have at least one entry.
