diff --git a/spec/content/automate/ManageIQ/Cloud/VM/Provisioning/StateMachines/Methods.class/__methods__/amazon_customizerequest_spec.rb b/spec/content/automate/ManageIQ/Cloud/VM/Provisioning/StateMachines/Methods.class/__methods__/amazon_customizerequest_spec.rb
new file mode 100644
index 000000000..f9b4e8f5b
--- /dev/null
+++ b/spec/content/automate/ManageIQ/Cloud/VM/Provisioning/StateMachines/Methods.class/__methods__/amazon_customizerequest_spec.rb
@@ -0,0 +1,119 @@
+require_domain_file
+
+describe ManageIQ::Automate::Cloud::VM::Provisioning::StateMachines::Methods::AmazonCustomizeRequest do
+  let(:ems)         { FactoryBot.create(:ems_amazon_with_authentication) }
+  let(:template)    { FactoryBot.create(:miq_template, :ext_management_system => ems) }
+  let(:prov_req)    { FactoryBot.create(:miq_provision_request, :options => {:src_vm_id => template.id}) }
+  let(:prov)        { FactoryBot.create(:miq_provision, :miq_provision_request => prov_req, :options => {:src_vm_id => template.id}) }
+  let(:svc_prov)    { MiqAeMethodService::MiqAeServiceMiqProvision.find(prov.id) }
+  let(:root_hash)   { {'miq_provision' => svc_prov} }
+  let(:root_object) { Spec::Support::MiqAeMockObject.new(root_hash) }
+  let(:ae_service) do
+    Spec::Support::MiqAeMockService.new(root_object).tap do |service|
+      current_object = Spec::Support::MiqAeMockObject.new
+      current_object.parent = root_object
+      service.object = current_object
+    end
+  end
+
+  it "process customization without mapping" do
+    described_class.new(ae_service).main
+    expect(svc_prov.message).to eq("Processing Amazon customizations...Complete")
+  end
+
+  context 'customization with mapping' do
+    let(:customization_template) { FactoryBot.create(:customization_template) }
+
+    after(:each) { expect(svc_prov.message).to eq("Processing Amazon customizations...Complete") }
+
+    def options_with_template(ws_values)
+      ae_service.root["miq_provision"].options[:ws_values] = ws_values
+      ae_service.root["miq_provision"].options[:customization_template_id] = customization_template.id
+      ae_service.root["miq_provision"].options[:customization_template_script] = customization_template.script
+    end
+
+    context '#instance_type' do
+      let(:ems)    { FactoryBot.create(:ems_amazon_with_authentication, :flavors => [flavor]) }
+      let(:flavor) { FactoryBot.create(:flavor, :description => 'desc') }
+
+      it "sets flavor as an instance_type" do
+        options_with_template(:instance_type => flavor.name)
+
+        described_class.new(ae_service).instance_eval {@mapping = true; main}
+        expect(svc_prov.options[:instance_type]).to eq([flavor.id, "#{flavor.name}':'#{flavor.description}"])
+      end
+    end
+
+    context '#guest_access_key_pair' do
+      let(:keypair) { FactoryBot.create(:auth_key_pair_cloud, :name => "test_auth_key_pair_cloud") }
+      let(:ems)     { FactoryBot.create(:ems_amazon_with_authentication, :key_pairs => [keypair]) }
+
+      it "sets keypair as a guest_access_key_pair" do
+        options_with_template(:guest_access_key_pair => keypair.name)
+
+        described_class.new(ae_service).instance_eval {@mapping = true; main}
+        expect(svc_prov.options[:guest_access_key_pair]).to eq([keypair.id, keypair.name])
+      end
+    end
+
+    context '#security_groups' do
+      let(:sec_group) { FactoryBot.create(:security_group_amazon) }
+
+      it "sets security_groups for network_manager" do
+        options_with_template(:security_groups => sec_group.name)
+        ems.network_manager.security_groups = [sec_group]
+
+        described_class.new(ae_service).instance_eval {@mapping = true; main}
+        expect(svc_prov.options[:security_groups]).to eq([sec_group.id])
+      end
+    end
+
+    context '#customization_templates' do
+      it "fails to find template" do
+        allow(ae_service.root["miq_provision"]).to receive(:eligible_customization_templates).and_return([])
+        expect(ae_service.root["miq_provision"]).not_to receive(:set_customization_template)
+
+        described_class.new(ae_service).instance_eval {@mapping = true; main}
+      end
+
+      it "finds a template by name" do
+        customization_template.name = template.name
+        allow(ae_service.root["miq_provision"]).to receive(:eligible_customization_templates).and_return([customization_template])
+        expect(ae_service.root["miq_provision"]).to receive(:set_customization_template).with(customization_template)
+
+        described_class.new(ae_service).instance_eval {@mapping = true; main}
+      end
+
+      it "finds a template by ws_values" do
+        ae_service.root["miq_provision"].options[:ws_values] = {:customization_template => customization_template.name}
+        allow(ae_service.root["miq_provision"]).to receive(:eligible_customization_templates).and_return([customization_template])
+        expect(ae_service.root["miq_provision"]).to receive(:set_customization_template).with(customization_template)
+
+        described_class.new(ae_service).instance_eval {@mapping = true; main}
+      end
+
+      it "finds a template by functions" do
+        customization_template.name = "#{svc_prov.type}_#{svc_prov.get_tags[:function]}"
+        allow(ae_service.root["miq_provision"]).to receive(:eligible_customization_templates).and_return([customization_template])
+        expect(ae_service.root["miq_provision"]).to receive(:set_customization_template).with(customization_template)
+
+        described_class.new(ae_service).instance_eval {@mapping = true; main}
+      end
+    end
+  end
+
+  it 'raises error for missing miq_provision' do
+    ae_service.root["miq_provision"] = nil
+    expect { described_class.new(ae_service).main }.to raise_error('miq_provision not specified')
+  end
+
+  it 'raises error for missing vm_template' do
+    allow(ae_service.root["miq_provision"]).to receive(:vm_template).and_return(nil)
+    expect { described_class.new(ae_service).main }.to raise_error('vm_template not specified')
+  end
+
+  it 'raises error for missing ext_management_system' do
+    allow_any_instance_of(MiqAeMethodService::MiqAeServiceMiqTemplate).to receive(:ext_management_system).and_return(nil)
+    expect { described_class.new(ae_service).main }.to raise_error('ext_management_system not specified')
+  end
+end