Allow query parameters in call http

dsl-reference.md

@@ -372,6 +372,7 @@ The [HTTP Call](#http-call) enables workflows to interact with external services
 | endpoint | [`endpoint`](#endpoint) | `yes` | An URI or an object that describes the HTTP endpoint to call. |
 | headers | `map` | `no` | A name/value mapping of the HTTP headers to use, if any. |
 | body | `any` | `no` | The HTTP request body, if any. |
+| query | `map[string, any]` | `no` | A name/value mapping of the query parameters to use, if any. |
 | output | `string` | `no` | The http call's output format.<br>*Supported values are:*<br>*- `raw`, which output's the base-64 encoded [http response](#http-response) content, if any.*<br>*- `content`, which outputs the content of [http response](#http-response), possibly deserialized.*<br>*- `response`, which outputs the [http response](#http-response).*<br>*Defaults to `content`.* |
 
 ###### Examples

examples/http-query-params.yaml

@@ -0,0 +1,25 @@
+# yaml-language-server: $schema=https://serverlessworkflow.io/schemas/1.0.0-alpha2/workflow.yaml
+document:
+  dsl: 1.0.0-alpha2
+  namespace: examples
+  name: http-query-params
+  version: 1.0.0-alpha2
+input:
+  schema:
+    format: json
+    document:
+      type: object
+      required:
+        - searchQuery
+      properties:
+        searchQuery:
+          type: string
+do:
+  - searchStarWarsCharacters:
+      call: http
+      with:
+        method: get
+        endpoint: https://swapi.dev/api/people/
+        query:
+          search: ${.searchQuery}
+

schema/workflow.yaml

@@ -266,6 +266,10 @@ $defs:
                 description: A name/value mapping of the headers, if any, of the HTTP request to perform.
               body:
                 description: The body, if any, of the HTTP request to perform.
+              query:
+                type: object
+                additionalProperties: true
+                description: A name/value mapping of the query parameters, if any, of the HTTP request to perform.
               output:
                 type: string
                 enum: [ raw, content, response ]