diff --git a/api/types/types.go b/api/types/types.go
index 1085d17259..3549cec64f 100644
--- a/api/types/types.go
+++ b/api/types/types.go
@@ -193,6 +193,8 @@ type WorkflowParam struct {
 	Type        string           `yaml:"Type"`
 	Default     interface{}      `yaml:"Default"`
 	Values      []WorkflowChoice `yaml:"Values"`
+	Depends     string           `yaml:"Depends"`
+	Factors     []interface{}    `yaml:"Factors"`
 }
 
 // Workflow describes a workflow
diff --git a/statics/js/components/workflow.js b/statics/js/components/workflow.js
index 12ccb0b37b..52652ed24e 100644
--- a/statics/js/components/workflow.js
+++ b/statics/js/components/workflow.js
@@ -6,7 +6,9 @@ Vue.component('item', {
     'Description',
     'Type',
     'Values',
-    'Default'
+    'Default',
+    'Depends',
+    'Factors'
   ],
 
   inject: [
@@ -14,7 +16,7 @@ Vue.component('item', {
   ],
 
   template: `
-  <div class="form-group">
+  <div class="form-group" v-if="allowed()">
     <div v-if="Type == 'string'" class="form-group">
       <label :for="Name">{{Description}}</label>
       <textarea:id="Name" v-model="formData[Name]"></textarea>
@@ -52,7 +54,17 @@ Vue.component('item', {
         <item v-for="i in item" v-bind="i" :key="i.Name"></item>
       </template>
     </div>
-  </div>`
+  </div>`,
+
+  methods: {
+    allowed: function() {
+      if (this.Depends === "" || this.Factors === null) {
+        return true
+      }
+      let d = this.formData[this.Depends]
+      return this.Factors.indexOf(d) >= 0
+    }
+  },
 })
 
 Vue.component('workflow-params', {