Fix workflows custom fields endpoints

lib/monkeylearn/workflows.rb

@@ -20,8 +20,8 @@ def data
         return WorkflowData
       end
 
-      def metadata
-        return WorkflowMetadata
+      def custom_fields
+        return WorkflowCustomFields
       end
 
       def build_endpoint(*args)
@@ -35,7 +35,7 @@ def create(name, options = {})
             db_name: options[:db_name],
             webhook_url: options[:webhook_url],
             steps: options[:steps],
-            metadata: options[:metadata],
+            custom_fields: options[:custom_fields],
             sources: options[:sources],
             actions: options[:actions],
         }.delete_if { |k,v| v.nil? }
@@ -72,12 +72,12 @@ def create(module_id, options = {})
     end
   end
 
-  module WorkflowMetadata
+  module WorkflowCustomFields
     class << self
      include Monkeylearn::Requests
 
       def build_endpoint(module_id, *args)
-        File.join('workflows', module_id, 'metadata', *args.collect { |x| x.to_s }) + '/'
+        File.join('workflows', module_id, 'custom-fields', *args.collect { |x| x.to_s }) + '/'
       end
 
       def create(module_id, options = {})

monkeylearn.gemspec

@@ -10,7 +10,7 @@ Gem::Specification.new do |spec|
   spec.email = ['hello@monkeylearn.com']
   spec.homepage = 'https://github.com/monkeylearn/monkeylearn-ruby'
 
-  spec.version = '3.3.3'
+  spec.version = '3.3.4'
 
   spec.add_dependency 'faraday', '>= 0.9.2', '< 1.0.0'