diff --git a/lib/puppet/functions/icinga2/icinga2_attributes.rb b/lib/puppet/functions/icinga2/icinga2_attributes.rb
new file mode 100644
index 000000000..c9eb5ff20
--- /dev/null
+++ b/lib/puppet/functions/icinga2/icinga2_attributes.rb
@@ -0,0 +1,56 @@
+# This is an autogenerated function, ported from the original legacy version.
+# It /should work/ as is, but will not have all the benefits of the modern
+# function API. You should see the function docs to learn how to add function
+# signatures for type safety and to document this function using puppet-strings.
+#
+# https://puppet.com/docs/puppet/latest/custom_functions_ruby.html
+#
+# ---- original file header ----
+require File.join(File.dirname(__FILE__), '../../..', 'puppet_x/icinga2/utils.rb')
+
+# ---- original file header ----
+#
+# @summary
+#   Summarise what the function does here
+#
+Puppet::Functions.create_function(:'icinga2::icinga2_attributes') do
+  # @param args
+  #   The original array of arguments. Port this to individually managed params
+  #   to get the full benefit of the modern function API.
+  #
+  # @return [Data type]
+  #   Describe what the function returns here
+  #
+  dispatch :default_impl do
+    # Call the method named 'default_impl' when this is matched
+    # Port this to match individual params for better type safety
+    repeated_param 'Any', :args
+  end
+
+
+  def default_impl(*args)
+    
+    raise Puppet::ParseError, 'icinga2_atributes(): Must provide at least one argument.' if args.length > 4 || args.length < 1
+
+    if args[1]
+      indent = args[1]
+    else
+      indent = 0
+    end
+
+    if args[2]
+      globals = args[2].concat(lookupvar('::icinga2::_reserved'))
+    else
+      globals = lookupvar('::icinga2::_reserved')
+    end
+
+    if args[3]
+      constants = args[3].merge(lookupvar('::icinga2::_constants'))
+    else
+      constants = lookupvar('::icinga2::_constants')
+    end
+
+    Puppet::Icinga2::Utils.attributes(args[0], globals, constants, indent)
+  
+  end
+end
diff --git a/lib/puppet/functions/icinga2/icinga2_ticket_id.rb b/lib/puppet/functions/icinga2/icinga2_ticket_id.rb
new file mode 100644
index 000000000..88060c1bd
--- /dev/null
+++ b/lib/puppet/functions/icinga2/icinga2_ticket_id.rb
@@ -0,0 +1,50 @@
+# This is an autogenerated function, ported from the original legacy version.
+# It /should work/ as is, but will not have all the benefits of the modern
+# function API. You should see the function docs to learn how to add function
+# signatures for type safety and to document this function using puppet-strings.
+#
+# https://puppet.com/docs/puppet/latest/custom_functions_ruby.html
+#
+# ---- original file header ----
+require File.join(File.dirname(__FILE__), '../../..', 'puppet_x/icinga2/pbkdf2.rb')
+
+# ---- original file header ----
+#
+# @summary
+#   Summarise what the function does here
+#
+Puppet::Functions.create_function(:'icinga2::icinga2_ticket_id') do
+  # @param args
+  #   The original array of arguments. Port this to individually managed params
+  #   to get the full benefit of the modern function API.
+  #
+  # @return [Data type]
+  #   Describe what the function returns here
+  #
+  dispatch :default_impl do
+    # Call the method named 'default_impl' when this is matched
+    # Port this to match individual params for better type safety
+    repeated_param 'Any', :args
+  end
+
+
+  def default_impl(*args)
+    
+    raise Puppet::ParseError, 'Must provide exactly two arguments to icinga2_ticket_id' if args.length != 2
+
+    if !args[0] or args[0] == ''
+      raise Puppet::ParseError, 'first argument (cn) can not be empty for icinga2_ticket_id'
+    end
+    if !args[1] or args[1] == ''
+      raise Puppet::ParseError, 'second argument (salt) can not be empty for icinga2_ticket_id'
+    end
+
+    PBKDF2.new(
+      :password => args[0],
+      :salt => args[1],
+      :iterations => 50000,
+      :hash_function => OpenSSL::Digest.new("sha1")
+    ).hex_string
+  
+  end
+end
diff --git a/spec/functions/icinga2_icinga2_attributes_spec.rb b/spec/functions/icinga2_icinga2_attributes_spec.rb
new file mode 100644
index 000000000..68d80db8e
--- /dev/null
+++ b/spec/functions/icinga2_icinga2_attributes_spec.rb
@@ -0,0 +1,41 @@
+require 'spec_helper'
+
+describe 'icinga2::icinga2_attributes' do
+  # without knowing details about the implementation, this is the only test
+  # case that we can autogenerate. You should add more examples below!
+  it { is_expected.not_to eq(nil) }
+
+#################################
+# Below are some example test cases. You may uncomment and modify them to match
+# your needs. Notice that they all expect the base error class of `StandardError`.
+# This is because the autogenerated function uses an untyped array for parameters
+# and relies on your implementation to do the validation. As you convert your
+# function to proper dispatches and typed signatures, you should change the
+# expected error of the argument validation examples to `ArgumentError`.
+#
+# Other error types you might encounter include
+#
+# * StandardError
+# * ArgumentError
+# * Puppet::ParseError
+#
+# Read more about writing function unit tests at https://rspec-puppet.com/documentation/functions/
+#
+#   it 'raises an error if called with no argument' do
+#     is_expected.to run.with_params.and_raise_error(StandardError)
+#   end
+#
+#   it 'raises an error if there is more than 1 arguments' do
+#     is_expected.to run.with_params({ 'foo' => 1 }, 'bar' => 2).and_raise_error(StandardError)
+#   end
+#
+#   it 'raises an error if argument is not the proper type' do
+#     is_expected.to run.with_params('foo').and_raise_error(StandardError)
+#   end
+#
+#   it 'returns the proper output' do
+#     is_expected.to run.with_params(123).and_return('the expected output')
+#   end
+#################################
+
+end
diff --git a/spec/functions/icinga2_icinga2_ticket_id_spec.rb b/spec/functions/icinga2_icinga2_ticket_id_spec.rb
new file mode 100644
index 000000000..ab37b9355
--- /dev/null
+++ b/spec/functions/icinga2_icinga2_ticket_id_spec.rb
@@ -0,0 +1,41 @@
+require 'spec_helper'
+
+describe 'icinga2::icinga2_ticket_id' do
+  # without knowing details about the implementation, this is the only test
+  # case that we can autogenerate. You should add more examples below!
+  it { is_expected.not_to eq(nil) }
+
+#################################
+# Below are some example test cases. You may uncomment and modify them to match
+# your needs. Notice that they all expect the base error class of `StandardError`.
+# This is because the autogenerated function uses an untyped array for parameters
+# and relies on your implementation to do the validation. As you convert your
+# function to proper dispatches and typed signatures, you should change the
+# expected error of the argument validation examples to `ArgumentError`.
+#
+# Other error types you might encounter include
+#
+# * StandardError
+# * ArgumentError
+# * Puppet::ParseError
+#
+# Read more about writing function unit tests at https://rspec-puppet.com/documentation/functions/
+#
+#   it 'raises an error if called with no argument' do
+#     is_expected.to run.with_params.and_raise_error(StandardError)
+#   end
+#
+#   it 'raises an error if there is more than 1 arguments' do
+#     is_expected.to run.with_params({ 'foo' => 1 }, 'bar' => 2).and_raise_error(StandardError)
+#   end
+#
+#   it 'raises an error if argument is not the proper type' do
+#     is_expected.to run.with_params('foo').and_raise_error(StandardError)
+#   end
+#
+#   it 'returns the proper output' do
+#     is_expected.to run.with_params(123).and_return('the expected output')
+#   end
+#################################
+
+end