diff --git a/lib/onfido.rb b/lib/onfido.rb
index 1cc8e86..d9b97a3 100644
--- a/lib/onfido.rb
+++ b/lib/onfido.rb
@@ -232,6 +232,7 @@
 require 'onfido/models/sdk_token_response'
 require 'onfido/models/task'
 require 'onfido/models/task_item'
+require 'onfido/models/timeline_file_reference'
 require 'onfido/models/us_driving_licence_breakdown'
 require 'onfido/models/us_driving_licence_breakdown_address'
 require 'onfido/models/us_driving_licence_breakdown_address_breakdown'
diff --git a/lib/onfido/api/default_api.rb b/lib/onfido/api/default_api.rb
index ff20103..499b4a1 100644
--- a/lib/onfido/api/default_api.rb
+++ b/lib/onfido/api/default_api.rb
@@ -298,6 +298,69 @@ def create_check_with_http_info(check_builder, opts = {})
       return data, status_code, headers
     end
 
+    # Create Timeline File for Workflow Run
+    # Triggers the generation of the Timeline File for the designated Workflow Run. 
+    # @param workflow_run_id [String] The unique identifier of the Workflow Run.
+    # @param [Hash] opts the optional parameters
+    # @return [TimelineFileReference]
+    def create_timeline_file(workflow_run_id, opts = {})
+      data, _status_code, _headers = create_timeline_file_with_http_info(workflow_run_id, opts)
+      data
+    end
+
+    # Create Timeline File for Workflow Run
+    # Triggers the generation of the Timeline File for the designated Workflow Run. 
+    # @param workflow_run_id [String] The unique identifier of the Workflow Run.
+    # @param [Hash] opts the optional parameters
+    # @return [Array<(TimelineFileReference, Integer, Hash)>] TimelineFileReference data, response status code and response headers
+    def create_timeline_file_with_http_info(workflow_run_id, opts = {})
+      if @api_client.config.debugging
+        @api_client.config.logger.debug 'Calling API: DefaultApi.create_timeline_file ...'
+      end
+      # verify the required parameter 'workflow_run_id' is set
+      if @api_client.config.client_side_validation && workflow_run_id.nil?
+        fail ArgumentError, "Missing the required parameter 'workflow_run_id' when calling DefaultApi.create_timeline_file"
+      end
+      # resource path
+      local_var_path = '/workflow_runs/{workflow_run_id}/timeline_file'.sub('{' + 'workflow_run_id' + '}', CGI.escape(workflow_run_id.to_s))
+
+      # query parameters
+      query_params = opts[:query_params] || {}
+
+      # header parameters
+      header_params = opts[:header_params] || {}
+      # HTTP header 'Accept' (if needed)
+      header_params['Accept'] = @api_client.select_header_accept(['application/json'])
+
+      # form parameters
+      form_params = opts[:form_params] || {}
+
+      # http body (model)
+      post_body = opts[:debug_body]
+
+      # return_type
+      return_type = opts[:debug_return_type] || 'TimelineFileReference'
+
+      # auth_names
+      auth_names = opts[:debug_auth_names] || ['Token']
+
+      new_options = opts.merge(
+        :operation => :"DefaultApi.create_timeline_file",
+        :header_params => header_params,
+        :query_params => query_params,
+        :form_params => form_params,
+        :body => post_body,
+        :auth_names => auth_names,
+        :return_type => return_type
+      )
+
+      data, status_code, headers = @api_client.call_api(:POST, local_var_path, new_options)
+      if @api_client.config.debugging
+        @api_client.config.logger.debug "API called: DefaultApi#create_timeline_file\nData: #{data.inspect}\nStatus code: #{status_code}\nHeaders: #{headers}"
+      end
+      return data, status_code, headers
+    end
+
     # Create monitor
     # Creates a new monitor for the applicant 
     # @param watchlist_monitor_builder [WatchlistMonitorBuilder] 
@@ -2026,6 +2089,75 @@ def find_task_with_http_info(workflow_run_id, task_id, opts = {})
       return data, status_code, headers
     end
 
+    # Retrieve Timeline File for Workflow Run
+    # Retrieves the Timeline File for the designated Workflow Run. 
+    # @param workflow_run_id [String] The unique identifier of the Workflow Run.
+    # @param timeline_file_id [String] The unique identifier for the Timefile File.
+    # @param [Hash] opts the optional parameters
+    # @return [Error]
+    def find_timeline_file(workflow_run_id, timeline_file_id, opts = {})
+      data, _status_code, _headers = find_timeline_file_with_http_info(workflow_run_id, timeline_file_id, opts)
+      data
+    end
+
+    # Retrieve Timeline File for Workflow Run
+    # Retrieves the Timeline File for the designated Workflow Run. 
+    # @param workflow_run_id [String] The unique identifier of the Workflow Run.
+    # @param timeline_file_id [String] The unique identifier for the Timefile File.
+    # @param [Hash] opts the optional parameters
+    # @return [Array<(Error, Integer, Hash)>] Error data, response status code and response headers
+    def find_timeline_file_with_http_info(workflow_run_id, timeline_file_id, opts = {})
+      if @api_client.config.debugging
+        @api_client.config.logger.debug 'Calling API: DefaultApi.find_timeline_file ...'
+      end
+      # verify the required parameter 'workflow_run_id' is set
+      if @api_client.config.client_side_validation && workflow_run_id.nil?
+        fail ArgumentError, "Missing the required parameter 'workflow_run_id' when calling DefaultApi.find_timeline_file"
+      end
+      # verify the required parameter 'timeline_file_id' is set
+      if @api_client.config.client_side_validation && timeline_file_id.nil?
+        fail ArgumentError, "Missing the required parameter 'timeline_file_id' when calling DefaultApi.find_timeline_file"
+      end
+      # resource path
+      local_var_path = '/workflow_runs/{workflow_run_id}/timeline_file/{timeline_file_id}'.sub('{' + 'workflow_run_id' + '}', CGI.escape(workflow_run_id.to_s)).sub('{' + 'timeline_file_id' + '}', CGI.escape(timeline_file_id.to_s))
+
+      # query parameters
+      query_params = opts[:query_params] || {}
+
+      # header parameters
+      header_params = opts[:header_params] || {}
+      # HTTP header 'Accept' (if needed)
+      header_params['Accept'] = @api_client.select_header_accept(['application/json'])
+
+      # form parameters
+      form_params = opts[:form_params] || {}
+
+      # http body (model)
+      post_body = opts[:debug_body]
+
+      # return_type
+      return_type = opts[:debug_return_type] || 'Error'
+
+      # auth_names
+      auth_names = opts[:debug_auth_names] || ['Token']
+
+      new_options = opts.merge(
+        :operation => :"DefaultApi.find_timeline_file",
+        :header_params => header_params,
+        :query_params => query_params,
+        :form_params => form_params,
+        :body => post_body,
+        :auth_names => auth_names,
+        :return_type => return_type
+      )
+
+      data, status_code, headers = @api_client.call_api(:GET, local_var_path, new_options)
+      if @api_client.config.debugging
+        @api_client.config.logger.debug "API called: DefaultApi#find_timeline_file\nData: #{data.inspect}\nStatus code: #{status_code}\nHeaders: #{headers}"
+      end
+      return data, status_code, headers
+    end
+
     # Retrieve monitor
     # Retrieves a single monitor 
     # @param monitor_id [String] The watchlist monitor&#39;s unique identifier.
diff --git a/lib/onfido/models/timeline_file_reference.rb b/lib/onfido/models/timeline_file_reference.rb
new file mode 100644
index 0000000..9017d87
--- /dev/null
+++ b/lib/onfido/models/timeline_file_reference.rb
@@ -0,0 +1,239 @@
+=begin
+#Onfido API v3.6
+
+#The Onfido API (v3.6)
+
+The version of the OpenAPI document: v3.6
+
+Generated by: https://openapi-generator.tech
+Generator version: 7.5.0
+
+=end
+
+require 'date'
+require 'time'
+
+module Onfido
+  class TimelineFileReference
+    # The unique identifier for the Timefile File that will be created.
+    attr_accessor :workflow_timeline_file_id
+
+    # Link to access the Timefile File that will be created.
+    attr_accessor :href
+
+    # Attribute mapping from ruby-style variable name to JSON key.
+    def self.attribute_map
+      {
+        :'workflow_timeline_file_id' => :'workflow_timeline_file_id',
+        :'href' => :'href'
+      }
+    end
+
+    # Returns all the JSON keys this model knows about
+    def self.acceptable_attributes
+      attribute_map.values
+    end
+
+    # Attribute type mapping.
+    def self.openapi_types
+      {
+        :'workflow_timeline_file_id' => :'String',
+        :'href' => :'String'
+      }
+    end
+
+    # List of attributes with nullable: true
+    def self.openapi_nullable
+      Set.new([
+      ])
+    end
+
+    # Initializes the object
+    # @param [Hash] attributes Model attributes in the form of hash
+    def initialize(attributes = {})
+      if (!attributes.is_a?(Hash))
+        fail ArgumentError, "The input argument (attributes) must be a hash in `Onfido::TimelineFileReference` initialize method"
+      end
+
+      # check to see if the attribute exists and convert string to symbol for hash key
+      attributes = attributes.each_with_object({}) { |(k, v), h|
+        if (!self.class.attribute_map.key?(k.to_sym))
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Onfido::TimelineFileReference`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+        end
+        h[k.to_sym] = v
+      }
+
+      if attributes.key?(:'workflow_timeline_file_id')
+        self.workflow_timeline_file_id = attributes[:'workflow_timeline_file_id']
+      else
+        self.workflow_timeline_file_id = nil
+      end
+
+      if attributes.key?(:'href')
+        self.href = attributes[:'href']
+      else
+        self.href = nil
+      end
+    end
+
+    # Show invalid properties with the reasons. Usually used together with valid?
+    # @return Array for valid properties with the reasons
+    def list_invalid_properties
+      warn '[DEPRECATED] the `list_invalid_properties` method is obsolete'
+      invalid_properties = Array.new
+      if @workflow_timeline_file_id.nil?
+        invalid_properties.push('invalid value for "workflow_timeline_file_id", workflow_timeline_file_id cannot be nil.')
+      end
+
+      if @href.nil?
+        invalid_properties.push('invalid value for "href", href cannot be nil.')
+      end
+
+      invalid_properties
+    end
+
+    # Check to see if the all the properties in the model are valid
+    # @return true if the model is valid
+    def valid?
+      warn '[DEPRECATED] the `valid?` method is obsolete'
+      return false if @workflow_timeline_file_id.nil?
+      return false if @href.nil?
+      true
+    end
+
+    # Checks equality by comparing each attribute.
+    # @param [Object] Object to be compared
+    def ==(o)
+      return true if self.equal?(o)
+      self.class == o.class &&
+          workflow_timeline_file_id == o.workflow_timeline_file_id &&
+          href == o.href
+    end
+
+    # @see the `==` method
+    # @param [Object] Object to be compared
+    def eql?(o)
+      self == o
+    end
+
+    # Calculates hash code according to all attributes.
+    # @return [Integer] Hash code
+    def hash
+      [workflow_timeline_file_id, href].hash
+    end
+
+    # Builds the object from hash
+    # @param [Hash] attributes Model attributes in the form of hash
+    # @return [Object] Returns the model itself
+    def self.build_from_hash(attributes)
+      return nil unless attributes.is_a?(Hash)
+      attributes = attributes.transform_keys(&:to_sym)
+      transformed_hash = {}
+      openapi_types.each_pair do |key, type|
+        if attributes.key?(attribute_map[key]) && attributes[attribute_map[key]].nil?
+          transformed_hash["#{key}"] = nil
+        elsif type =~ /\AArray<(.*)>/i
+          # check to ensure the input is an array given that the attribute
+          # is documented as an array but the input is not
+          if attributes[attribute_map[key]].is_a?(Array)
+            transformed_hash["#{key}"] = attributes[attribute_map[key]].map { |v| _deserialize($1, v) }
+          end
+        elsif !attributes[attribute_map[key]].nil?
+          transformed_hash["#{key}"] = _deserialize(type, attributes[attribute_map[key]])
+        end
+      end
+      new(transformed_hash)
+    end
+
+    # Deserializes the data based on type
+    # @param string type Data type
+    # @param string value Value to be deserialized
+    # @return [Object] Deserialized data
+    def self._deserialize(type, value)
+      case type.to_sym
+      when :Time
+        Time.parse(value)
+      when :Date
+        Date.parse(value)
+      when :String
+        value.to_s
+      when :Integer
+        value.to_i
+      when :Float
+        value.to_f
+      when :Boolean
+        if value.to_s =~ /\A(true|t|yes|y|1)\z/i
+          true
+        else
+          false
+        end
+      when :Object
+        # generic object (usually a Hash), return directly
+        value
+      when /\AArray<(?<inner_type>.+)>\z/
+        inner_type = Regexp.last_match[:inner_type]
+        value.map { |v| _deserialize(inner_type, v) }
+      when /\AHash<(?<k_type>.+?), (?<v_type>.+)>\z/
+        k_type = Regexp.last_match[:k_type]
+        v_type = Regexp.last_match[:v_type]
+        {}.tap do |hash|
+          value.each do |k, v|
+            hash[_deserialize(k_type, k)] = _deserialize(v_type, v)
+          end
+        end
+      else # model
+        # models (e.g. Pet) or oneOf
+        klass = Onfido.const_get(type)
+        klass.respond_to?(:openapi_any_of) || klass.respond_to?(:openapi_one_of) ? klass.build(value) : klass.build_from_hash(value)
+      end
+    end
+
+    # Returns the string representation of the object
+    # @return [String] String presentation of the object
+    def to_s
+      to_hash.to_s
+    end
+
+    # to_body is an alias to to_hash (backward compatibility)
+    # @return [Hash] Returns the object in the form of hash
+    def to_body
+      to_hash
+    end
+
+    # Returns the object in the form of hash
+    # @return [Hash] Returns the object in the form of hash
+    def to_hash
+      hash = {}
+      self.class.attribute_map.each_pair do |attr, param|
+        value = self.send(attr)
+        if value.nil?
+          is_nullable = self.class.openapi_nullable.include?(attr)
+          next if !is_nullable || (is_nullable && !instance_variable_defined?(:"@#{attr}"))
+        end
+
+        hash[param] = _to_hash(value)
+      end
+      hash
+    end
+
+    # Outputs non-array value in the form of hash
+    # For object, use to_hash. Otherwise, just return the value
+    # @param [Object] value Any valid value
+    # @return [Hash] Returns the value in the form of hash
+    def _to_hash(value)
+      if value.is_a?(Array)
+        value.compact.map { |v| _to_hash(v) }
+      elsif value.is_a?(Hash)
+        {}.tap do |hash|
+          value.each { |k, v| hash[k] = _to_hash(v) }
+        end
+      elsif value.respond_to? :to_hash
+        value.to_hash
+      else
+        value
+      end
+    end
+
+  end
+
+end