feature_one_lunch

{
						"name": "feature_one_lunch",
						"params": [
							"feature_one_lunch_query",
							"feature_one_lunch_language",
							"feature_one_lunch_clicks",
							"feature_one_lunch_impressions"
						],
						"template_language": "mustache",
						"template": {
							"function_score": {
								"script_score": {
									"script": {
										"lang": "native",
										"source": "feature_extractor",
										"params": {
											"raw_feature": "feature_one_lunch",
											"query": "{{feature_one_lunch_query}}",
											"language": "{{feature_one_lunch_language}}",
											"smoothing_clicks": "{{feature_one_lunch_clicks}}",
											"smoothing_impressions": "{{feature_one_lunch_impressions}}"
										}
									}
								}
							}

feature_two_brunch

{
						"name": "feature_two_brunch",
						"params": [
							"feature_two_brunch_query",
							"feature_two_brunch_language",
							"feature_two_brunch_clicks",
							"feature_two_brunch_impressions"
						],
						"template_language": "mustache",
						"template": {
							"function_score": {
								"script_score": {
									"script": {
										"lang": "native",
										"source": "feature_extractor",
										"params": {
											"raw_feature": "feature_two_brunch",
											"query": "{{feature_two_brunch_query}}",
											"language": "{{feature_two_brunch_language}}",
											"smoothing_clicks": "{{feature_two_brunch_clicks}}",
											"smoothing_impressions": "{{feature_two_brunch_impressions}}"
										}
									}
								}
							}

sltr_query_using_selective_featues

{
    "query": {
			"bool": {
       "filter": {
				 "terms": {
					 "_id": ["123", "456"]
				 }}}
    },
    "rescore": {
        "query": {
           "rescore_query": {
            "sltr": {
							"model": "my_example_model",
							"params": {								
							},
							"active_features": {"feature_two_brunch": true}
            }
           }
        }
    }
}