title: How to add custom key words in json schema?
body: <p>I want generate value using json schema. But json schema not support file type.So i add custom key word <strong>inheritType</strong> . Now i validate this schema it throw Exception.
   So How to slove this problem. and How to add custom keyword in json schema</p>
  
  <blockquote>
    <p>This My Json Schema </p>
  </blockquote>
  
  <pre><code>{ 
      "type" : "object" ,
      "properties" : {
          "file" : {
             "type" : "string" ,
              "inheritType"  : "File"
          }
      }
  }
  </code></pre>
  
  <blockquote>
    <p>This is my java code throws Exception</p>
  </blockquote>
  
  <pre><code>{ 
     "level" : "error",
     "schema" : {
     "loadingURI" : "#",
     "pointer" : "/properties/file/inheritType" ,
     "ignored" : ["inheritType"]
  }
  </code></pre>