This entails including the required data extension object to the manifest in the extend field.
A sample from the specification is shown below:
{ "propose_properties": { "service_url": "https://lobid.org", "service_path": "/gnd/reconcile/properties" }, "property_settings": [ { "name": "limit", "label": "Limit", "type": "number", "default": 0, "help_text": "Maximum number of values to return per row (0 for no limit)" }, { "name": "content", "label": "Content", "type": "select", "default": "literal", "help_text": "Content type: ID or literal", "choices": [ { "value": "id", "name": "ID" }, { "value": "literal", "name": "Literal" } ] } ] }