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diff --git a/sdc-workflow-designer-ui/src/app/components/menus/microservice/microservice-list/microservice-list.component.ts b/sdc-workflow-designer-ui/src/app/components/menus/microservice/microservice-list/microservice-list.component.ts
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+++ b/sdc-workflow-designer-ui/src/app/components/menus/microservice/microservice-list/microservice-list.component.ts
@@ -0,0 +1,81 @@
+/**
+ * Copyright (c) 2017 ZTE Corporation.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * and the Apache License 2.0 which both accompany this distribution,
+ * and are available at http://www.eclipse.org/legal/epl-v10.html
+ * and http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Contributors:
+ *     ZTE - initial API and implementation and/or initial documentation
+ */
+
+import { Component, EventEmitter, Input, Output, ViewChild } from '@angular/core';
+import { ModalDirective } from 'ngx-bootstrap/modal';
+
+import { Microservice } from '../../../../model/workflow/microservice';
+import { RestConfig } from '../../../../model/rest-config';
+
+/**
+ * toolbar component contains some basic operations(save) and all of the supported workflow nodes.
+ * The supported nodes can be dragged to container component. which will add a new node to the workflow.
+ */
+@Component({
+    selector: 'b4t-microservice-list',
+    templateUrl: 'microservice-list.component.html',
+})
+export class MicroserviceListComponent {
+    @Input() microservices: RestConfig[];
+    @Output() microserviceSelected = new EventEmitter<RestConfig>();
+
+    public onMicroserviceSelected(microservice: RestConfig) {
+        this.microserviceSelected.emit(microservice);
+    }
+
+    public addMicroservice() {
+        const microservice = new RestConfig(this.getConfigId(), 'new microservice', '', null);
+        this.microservices.push(microservice);
+
+        this.onMicroserviceSelected(microservice);
+    }
+
+    public deleteMicroservice(index: number, microservice: Microservice) {
+        this.deleteMicroService(microservice.name, microservice.version);
+
+        // set the next microservice selected
+        let selectedMicroservice;
+        if (this.microservices.length > 0) {
+            if (this.microservices[index]) {
+                selectedMicroservice = this.microservices[index];
+            } else {
+                selectedMicroservice = this.microservices[index - 1];
+            }
+        }
+        this.onMicroserviceSelected(selectedMicroservice);
+    }
+
+    private deleteMicroService(name: string, version: string) {
+        const index = this.microservices.findIndex(service => (service.name === name && service.version === version));
+        if(index !== -1) {
+            return this.microservices.splice(index, 1)[0];
+        }
+
+        return undefined;
+    }
+
+    private getConfigId(): string {
+        const idSet = new Set<string>();
+        this.microservices.forEach(config => {
+            idSet.add(config.id);
+        });
+
+        for(let index = 0; index < idSet.size; index++) {
+            const id = `config${index}`;
+            if(!idSet.has(id)) {
+                return id;
+            }
+        }
+
+        return `config0`;
+    }
+}