title: How to add <a href> link or Url in java attribute description in java in OpenAPI 3.0
body: <p>I am trying to add reference URl in property field to provide more information in link but Iam getting below error when I get open Swagger-UI and not seeing the description as well.</p>
  <p>Error:</p>
  <pre><code>Resolver error at paths./v1/employee.post.requestBody.content.application/json.schema.properties.empType.$ref`
  Could not resolve reference: Failed to fetch
  </code></pre>
  <p>Below is the code
  Code:</p>
  <pre><code>@Schema(description = &quot;Unique Key information&quot;, required = true,, ref= &quot;http://localhost:8089/refs#/properties/profile&quot;)
  @NotEmpty(message = &quot;emp-type.notempty&quot;)
  private String empType;
  /**
  </code></pre>