diff --git a/swagger.yaml b/swagger.yaml
index 228a7e12bcb69a3636ab85d3ec34ffcc3bf0629f..0e40ca80142e50778157cd544b4deae239e6b361 100644
--- a/swagger.yaml
+++ b/swagger.yaml
@@ -255,11 +255,15 @@ components:
         - extraData
     Parameter:
       properties:
-        parameter:
-          oneOf:
-            - $ref: '#/components/schemas/WeightParameter'
-            - $ref: '#/components/schemas/ExtraDataParameter'
-            - $ref: '#/components/schemas/EquationConstantParameter'
+        parameterType:
+          type: string
+        parameters:
+          type: array
+          items:
+            oneOf:
+              - $ref: '#/components/schemas/WeightParameter'
+              - $ref: '#/components/schemas/ExtraDataParameter'
+              - $ref: '#/components/schemas/EquationConstantParameter'
     WeightParameter:
       properties:
         parameterType: