add example

pygeoapi/openapi.py

@@ -345,6 +345,8 @@ def get_oas_30(cfg):
                 }
             }
         }
+        if 'example' in p.metadata:
+            paths['{}/jobs'.format(process_name_path)]['post']['requestBody']['content']['application/json']['example'] = p.metadata['example']  # noqa
 
     oas['paths'] = paths
 

pygeoapi/process/hello_world.py

@@ -68,7 +68,14 @@ PROCESS_METADATA = {
                 'mimeType': 'application/json'
             }]
         }
-    }]
+    }],
+    'example': {
+        'inputs': [{
+            'id': 'name',
+            'value': 'hi there',
+            'type': 'text/plain'
+        }]
+    }
 }