title: Android Rertifit : POST Multiple 2D Arrays
body: <p>can you help me. I have a problem how to send data in the form of a 2D array on android studio using retrofit. I attached a postman example.
  Thanks all.</p>
  <pre><code>@FormUrlEncoded
  @POST(ApiEndpoint.ENDPOINT_SERVER_POST_VISUAL_INSPECTION_REGISTER)
  fun apiService(
      @Field(&quot;visual_inspection_register_id[0]&quot;) visualInspectionRegisterId: List&lt;String?&gt;,
      @Field(&quot;visual_inspection_register_uuid[0][1]&quot;) visualInspectionRegisterUUID: List&lt;String?&gt;,
      @Field(&quot;visual_inspection_register_geom[0][1]&quot;) visualInspectionRegisterGeom: List&lt;String?&gt;
  ): Observable&lt;BaseResponse&gt;
  </code></pre>
  <p>more or less like this when it will be sent</p>
  <p><a href="https://i.stack.imgur.com/AHJsU.png" rel="nofollow noreferrer">postman</a></p>