title: How to define global parameters that will apply to all paths?
body: <p>I want to make the <code>account</code> parameter to be applied to all paths, without any exceptions. Is there any way to do this with Swagger 2? I don't want apply the <code>account</code> parameter for every path.</p>
  
  <pre class="lang-json prettyprint-override"><code>{
    "swagger": "2.0",
    "info": {
      "version": "1.0",
      "title": "Doc"
    },
    "host": "localhost",
    "schemes": [
      "http"
    ],
    "produces": [
      "application/json"
    ],
    "parameters": {
      "account": {
        "in": "header",
        "name": "X-ACCOUNT",
        "description": "Account id",
        "type": "string",
        "required": true
      }
    },
    "paths": {
      "/account": {
        "get": {
          "summary": "Get account",
          "operationId": "getAccount",
          "responses": {
            "200": {
              "description": "test"
            }
          }
        }
      },
      ..... other paths
    }
  }
  </code></pre>