document optional export template parameters

docs/user-docs/export.md

@@ -54,9 +54,9 @@ To have a overall picture of how the export templates look like, you can refer t
         ],
         "transforms": [], // refer to export module for more details
         "postprocessors": [], // refer to export module for more details
-        "public": <Boolean>, // refer to export module for more details
+        "public": <boolean>, // refer to export module for more details
         "bag_archiver": <string>, // refer to export module for more details
-        "bag_idempotent": <Boolean> // refer to export module for more details (defaulted to false it not present)
+        "bag_idempotent": <boolean> // refer to export module for more details (defaulted to false it not present)
       }
     ]
   }
@@ -71,12 +71,18 @@ The object structure of an export template annotation is defined as follows:
 | Variable | Type | Inclusion| Description |
 | --- | --- | --- | --- |
 | `templates` | array[`template`] | required | An array of `template` objects.
+
 #### `template` (object)
 | Variable | Type | Inclusion| Description |
 | --- | --- | --- | --- |
 | `displayname` | string | required | The display name that will be used to populate the Chaise export format drop-down box for this `template`.
 | `type` | string, enum [`"FILE"`,`"BAG"`] | required | One of two keywords; `"FILE"` or `"BAG"`, used to determine the container format for results.
 | `outputs` | array[`output`] | required | An array of `output` objects. See below.
+| `transforms` | array[`transform_processor`] | optional | The defined value will be passed as `transform_processors` to the deriva backend services. Find more information [here](https://github.com/informatics-isi-edu/deriva-py/blob/master/docs/cli/deriva-download-cli.md#supported-transform_processors).
+| `postprocessors` | array | optional | The defined value will be passed as `post_processors` to the deriva backend services.
+| `public` | boolean | optional | ?
+| `bag_archiver` | enum [`"zip"`,`"tar"`,`"tgz"`] | optional | A string representing the default archiving format to use if not otherwise specified. Valid values are "zip", "tar", and "tgz".
+| `bag_idempotent` | boolean | optional | ?
 
 #### `output` (object)
 | Variable | Type | Inclusion| Description |