diff --git a/draft-2/draft-2/binding-test.cwl b/draft-2/draft-2/binding-test.cwl
index cd3857861..5037d5432 100755
--- a/draft-2/draft-2/binding-test.cwl
+++ b/draft-2/draft-2/binding-test.cwl
@@ -22,7 +22,11 @@ inputs:
     inputBinding:
       position: -1
 
-outputs: []
+outputs:
+  - id: "#args"
+    type:
+      type: array
+      items: string
 
 baseCommand: python
 arguments: ["bwa", "mem"]
diff --git a/draft-2/draft-2/cat1-testcli.cwl b/draft-2/draft-2/cat1-testcli.cwl
index 410833193..5eb3cbb30 100755
--- a/draft-2/draft-2/cat1-testcli.cwl
+++ b/draft-2/draft-2/cat1-testcli.cwl
@@ -17,18 +17,24 @@
             }
         },
         {
-        id: "#args.py",
-        type: File,
-        default: {
-          class: File,
-          path: args.py
-        },
-        inputBinding: {
-          position: -1
-        }
+            "id": "#args.py",
+            "type": "File",
+            "default": {
+              "class": "File",
+              "path": "args.py"
+            },
+            "inputBinding": {
+              "position": -1
+            }
       }
     ],
-    "outputs": [],
+    "outputs": [{
+      "id": "#args",
+      "type": {
+          "type": "array",
+          "items": "string"
+      }
+    }],
     "baseCommand": "python",
     "arguments": ["cat"]
 }
diff --git a/draft-2/draft-2/tmap-tool.cwl b/draft-2/draft-2/tmap-tool.cwl
index 3f9ee02c5..364d3d958 100755
--- a/draft-2/draft-2/tmap-tool.cwl
+++ b/draft-2/draft-2/tmap-tool.cwl
@@ -18,14 +18,14 @@
             }
         },
         {
-        id: "#args.py",
-        type: File,
-        default: {
-          class: File,
-          path: args.py
+        "id": "#args.py",
+        "type": "File",
+        "default": {
+          "class": "File",
+          "path": "args.py"
         },
-        inputBinding: {
-          position: -1
+        "inputBinding": {
+          "position": -1
         }
       }
     ],
@@ -36,6 +36,13 @@
                 "glob": "output.sam"
             },
             "type": ["null", "File"]
+        },
+        {
+            "id": "#args",
+            "type": {
+                "type": "array",
+                "items": "string"
+            }
         }
     ],
     "requirements": [
diff --git a/draft-3/draft-3/binding-test.cwl b/draft-3/draft-3/binding-test.cwl
index 50271f53f..222a6c858 100755
--- a/draft-3/draft-3/binding-test.cwl
+++ b/draft-3/draft-3/binding-test.cwl
@@ -23,7 +23,11 @@ inputs:
     inputBinding:
       position: -1
 
-outputs: []
+outputs:
+  - id: args
+    type:
+      type: array
+      items: string
 
 baseCommand: python
 arguments: ["bwa", "mem"]
diff --git a/draft-3/draft-3/cat1-testcli.cwl b/draft-3/draft-3/cat1-testcli.cwl
index 31f3a94d6..a29cdc4bb 100755
--- a/draft-3/draft-3/cat1-testcli.cwl
+++ b/draft-3/draft-3/cat1-testcli.cwl
@@ -18,18 +18,24 @@
             }
         },
         {
-        id: "args.py",
-        type: File,
-        default: {
-          class: File,
-          path: args.py
+        "id": "args.py",
+        "type": "File",
+        "default": {
+          "class": "File",
+          "path": "args.py"
         },
-        inputBinding: {
-          position: -1
+        "inputBinding": {
+          "position": -1
         }
       }
     ],
-    "outputs": [],
+    "outputs": [{
+        "id": "args",
+        "type": {
+            "type": "array",
+            "items": "string"
+        }
+    }],
     "baseCommand": "python",
     "arguments": ["cat"]
 }
diff --git a/draft-3/draft-3/tmap-tool.cwl b/draft-3/draft-3/tmap-tool.cwl
index 514816a9f..704cd0b48 100755
--- a/draft-3/draft-3/tmap-tool.cwl
+++ b/draft-3/draft-3/tmap-tool.cwl
@@ -20,15 +20,15 @@
             }
         },
         {
-        id: "#args.py",
-        type: File,
-        default: {
-          class: File,
-          path: args.py
-        },
-        inputBinding: {
-          position: -1
-        }
+            "id": "#args.py",
+            "type": "File",
+            "default": {
+              "class": "File",
+              "path": "args.py"
+            },
+            "inputBinding": {
+              "position": -1
+            }
       }
     ],
     "outputs": [
@@ -38,6 +38,13 @@
                 "glob": "output.sam"
             },
             "type": ["null", "File"]
+        },
+        {
+            "id": "args",
+            "type": {
+                "type": "array",
+                "items": "string"
+            }
         }
     ],
     "requirements": [
diff --git a/v1.0/conformance_test_v1.0.yaml b/v1.0/conformance_test_v1.0.yaml
index 8d5a61b9b..46164b38f 100644
--- a/v1.0/conformance_test_v1.0.yaml
+++ b/v1.0/conformance_test_v1.0.yaml
@@ -77,7 +77,7 @@
   tool: v1.0/cat3-tool-mediumcut.cwl
   doc: Test command execution in Docker with stdout redirection
 
-- job:
+- job: v1.0/empty.json
   tool: v1.0/egrep-stderr.cwl
   doc: Test command line with stderr redirection
   output:
@@ -87,7 +87,7 @@
       size: 84
       location: error.txt
 
-- job:
+- job: v1.0/empty.json
   tool: v1.0/egrep-stderr-shortcut.cwl
   doc: Test command line with stderr redirection, brief syntax
   output:
@@ -103,7 +103,7 @@
       size: 84
       checksum: sha1$cec7b8746a78c42060c96505887449bca0142976
       location: std.err
-  job:
+  job: v1.0/empty.json
   tool: v1.0/egrep-stderr-mediumcut.cwl
   doc: Test command line with stderr redirection, named brief syntax
 
diff --git a/v1.0/v1.0/binding-test.cwl b/v1.0/v1.0/binding-test.cwl
index 8415dc414..99f812fb1 100755
--- a/v1.0/v1.0/binding-test.cwl
+++ b/v1.0/v1.0/binding-test.cwl
@@ -23,7 +23,8 @@ inputs:
     inputBinding:
       position: -1
 
-outputs: []
+outputs:
+  args: string[]
 
 baseCommand: python
 arguments: ["bwa", "mem"]
diff --git a/v1.0/v1.0/cat1-testcli.cwl b/v1.0/v1.0/cat1-testcli.cwl
index 06782c2b9..9558ed82c 100755
--- a/v1.0/v1.0/cat1-testcli.cwl
+++ b/v1.0/v1.0/cat1-testcli.cwl
@@ -29,7 +29,7 @@
         }
       }
     ],
-    "outputs": [],
+    "outputs": [{"id": "args", "type": "string[]"}],
     "baseCommand": "python",
     "arguments": ["cat"]
 }
diff --git a/v1.0/v1.0/tmap-tool.cwl b/v1.0/v1.0/tmap-tool.cwl
index 1cb08428b..505d60036 100755
--- a/v1.0/v1.0/tmap-tool.cwl
+++ b/v1.0/v1.0/tmap-tool.cwl
@@ -38,7 +38,8 @@
                 "glob": "output.sam"
             },
             "type": ["null", "File"]
-        }
+        },
+        {"id": "args", "type": "string[]"}
     ],
     "requirements": [
     {"class": "SchemaDefRequirement",