{
    "fields": {
        "item": {
            "fields": {
                "format": {
                    "type": "select",
                    "removeDefaultNone": true  
                },
                "type": {
                     "type": "select",
                    "optionLabels": ["Filter by meta data", "Filter by taxonomy", "Search filter"]
                    
                }, 
                "key": {
                    "type": "select",
                    "dataSource": "/work-portal-basic/wp-result/post-metas/",
                    "removeDefaultNone": true,
                    "dependencies": {
                        "type": "meta_query"
                    }  
                },
                "tax_name": {
                    "type": "select",
                    "dataSource": "/work-portal-basic/wp-result/taxonomies/",
                    "removeDefaultNone": true,
                    "dependencies": {
                        "type": "tax_query"
                    }   
                },
                "field": {
                  "data" : {"name":"field", "value":"xxx"},
                  "dependencies": {
                        "type": "tax_query"
                    }  
                }
            }
        }
    }      
}