docs: update cue files with how_it_works section

website/cue/reference/components/sinks/elasticsearch.cue

@@ -135,6 +135,24 @@ components: sinks: elasticsearch: {
 				"""
 		}
 
+		query_params_structure: {
+			title: "Query params structure"
+			body: """
+				Query params can either be single key value pair or a key with multiple values
+
+				```yaml
+				sources:
+					source0:
+						query:
+							field: value
+							fruit:
+								- mango
+								- papaya
+								- kiwi
+				```
+				"""
+		}
+
 		aws_authentication: components._aws.how_it_works.aws_authentication
 	}
 }

website/cue/reference/components/sources/base/http_client.cue

@@ -509,7 +509,7 @@ base: components: sources: http_client: configuration: {
 		required: false
 		type: object: {
 			examples: [{
-				field: ["value"]
+				field: "value"
 				fruit: ["mango", "papaya", "kiwi"]
 			}]
 			options: "*": {

website/cue/reference/components/sources/http_client.cue

@@ -142,4 +142,24 @@ components: sources: http_client: {
 		http_client_responses_total:      components.sources.internal_metrics.output.metrics.http_client_responses_total
 		http_client_response_rtt_seconds: components.sources.internal_metrics.output.metrics.http_client_response_rtt_seconds
 	}
+
+	how_it_works: {
+		query_params_structure: {
+			title: "Query params structure"
+			body: """
+				Query params can either be single key value pair or a key with multiple values
+
+				```yaml
+				sources:
+					source0:
+						query:
+							field: value
+							fruit:
+								- mango
+								- papaya
+								- kiwi
+				```
+				"""
+		}
+	}
 }

website/cue/reference/components/sources/prometheus_scrape.cue

@@ -66,6 +66,22 @@ components: sources: prometheus_scrape: {
 				but will only take the last value for each tag name specified.
 				"""
 		}
+
+		query_params_structure: {
+			title: "Query params structure"
+			body: """
+				In query params, key needs to be `match[]` with array of values
+
+				```yaml
+				sources:
+					source0:
+						query:
+							"match[]":
+								- '{job="somejob"}'
+								- '{__name__=~"job:.*"}'
+				```
+				"""
+		}
 	}
 
 	output: metrics: {