diff --git a/src/api.ts b/src/api.ts
index 4682d3b..0176120 100644
--- a/src/api.ts
+++ b/src/api.ts
@@ -42,6 +42,13 @@ import { UpdateGroupData } from "./types/UpdateGroupData";
 import { UpdateProjectData } from "./types/UpdateProjectData";
 import { UpdateRoleData } from "./types/UpdateRoleData";
 import { User } from "./types/User";
+import { AssignmentId } from "./types/AssignmentId";
+import { CreateAssignmentData } from "./types/CreateAssignmentData";
+import { Assignment } from "./types/Assignment";
+import { SubmissionId } from "./types/SubmissionId";
+import { CreateSubmissionData } from "./types/CreateSubmissionData";
+import { UpdateAssignmentData } from "./types/UpdateAssignmentData";
+import { Submission } from "./types/Submission";
 
 export default class NetsBloxApi {
   private baseUrl: string;
@@ -237,6 +244,115 @@ export default class NetsBloxApi {
     return await this.fetchJson(`/groups/id/${encodeURIComponent(id)}/members`);
   }
 
+  async createAssignment(
+    id: GroupId,
+    data: CreateAssignmentData,
+  ): Promise<Assignment> {
+    return await this.post(
+      `/groups/id/${encodeURIComponent(id)}/assignments/`,
+      data,
+    );
+  }
+
+  async listGroupAssignments(id: GroupId): Promise<Assignment[]> {
+    return await this.fetchJson(
+      `/groups/id/${encodeURIComponent(id)}/assignments/`,
+    );
+  }
+
+  async viewAssignment(
+    group_id: GroupId,
+    id: AssignmentId,
+  ): Promise<Assignment> {
+    return await this.fetchJson(
+      `/groups/id/${encodeURIComponent(group_id)}/assignments/id/${id}/`,
+    );
+  }
+
+  async editAssignment(
+    group_id: GroupId,
+    id: AssignmentId,
+    data: UpdateAssignmentData,
+  ): Promise<Group> {
+    const opts = {
+      method: "patch",
+      body: JSON.stringify(data),
+    };
+    return await this.fetchJson(
+      `/groups/id/${encodeURIComponent(group_id)}/assignments/id/${id}/`,
+      opts,
+    );
+  }
+
+  async deleteAssignment(
+    group_id: GroupId,
+    id: AssignmentId,
+  ): Promise<Assignment> {
+    const opts = { method: "delete" };
+    return await this.fetchJson(
+      `/groups/id/${encodeURIComponent(group_id)}/assignments/id/${encodeURIComponent(id)}/`,
+      opts,
+    );
+  }
+
+  async createSubmission(
+    group_id: GroupId,
+    id: AssignmentId,
+    data: CreateSubmissionData,
+  ): Promise<Submission> {
+    return await this.post(
+      `/groups/id/${encodeURIComponent(group_id)}/assignments/id/${encodeURIComponent(id)}/submissions/`,
+      data,
+    );
+  }
+
+  async viewSubmission(group_id: GroupId, assignment_id: AssignmentId, id: SubmissionId): Promise<Submission> {
+    return await this.fetchJson(
+      `/groups/id/${encodeURIComponent(group_id)}/assignments/id/${encodeURIComponent(assignment_id)}/submissions/id/${encodeURIComponent(id)}/`,
+    );
+  }
+
+  async viewAssignmentSubmissions(
+    group_id: GroupId,
+    assignment_id: AssignmentId,
+  ): Promise<Submission[]> {
+    return await this.fetchJson(
+      `/groups/id/${encodeURIComponent(group_id)}/assignments/id/${encodeURIComponent(assignment_id)}/submissions/`,
+    );
+  }
+
+  async viewUserSubmissions(
+    group_id: GroupId,
+    assignment_id: AssignmentId,
+    username: string,
+  ): Promise<Submission[]> {
+    return await this.fetchJson(
+      `/groups/id/${encodeURIComponent(group_id)}/assignments/id/${encodeURIComponent(assignment_id)}/submissions/user/${encodeURIComponent(username)}/`,
+    );
+  }
+
+  async viewSubmissionXml(
+    group_id: GroupId,
+    assignment_id: AssignmentId,
+    id: SubmissionId,
+  ): Promise<string> {
+    return await this.fetchText(
+      `/groups/id/${encodeURIComponent(group_id)}/assignments/id/${encodeURIComponent(assignment_id)}/submissions/id/${encodeURIComponent(id)}/xml/`,
+    );
+  }
+
+  async deleteSubmission(
+    group_id: GroupId,
+    assignment_id: AssignmentId,
+    id: SubmissionId,
+  ): Promise<Submission> {
+    const opts = { method: "delete" };
+    return await this.fetchJson(
+      `/groups/id/${encodeURIComponent(group_id)}/assignments/id/${encodeURIComponent(assignment_id)}/submissions/id/${encodeURIComponent(id)}/`,
+      opts,
+    );
+  }
+
   ////////////////////////////// Projects //////////////////////////////
   async createProject(data: CreateProjectData): Promise<ProjectMetadata> {
     const opts = {
diff --git a/src/client.ts b/src/client.ts
index 14eced3..7fcbb2b 100644
--- a/src/client.ts
+++ b/src/client.ts
@@ -49,24 +49,27 @@ export default class Cloud {
   username: string;
   projectId: string | null;
   roleId: string | null;
+  groupId: string | null;
   newProjectRequest: Promise<any> | undefined;
   localize: (text: string) => string;
   token: string | null;
   api: NetsBloxApi;
 
-  constructor(url, clientId, username, localize = defaultLocalizer) {
+  constructor(url, clientId, username, groupId, localize = defaultLocalizer) {
     this.clientId = clientId;
     this.username = username;
     this.projectId = null;
     this.roleId = null;
+    this.groupId = groupId;
     this.url = url;
     this.token = null; // only needed in NodeJs
     this.localize = localize;
     this.api = new NetsBloxApi(this.url);
-  }
+}
 
   clear() {
     this.username = null;
+    this.groupId = null;
     this.token = null;
   }
 
@@ -96,6 +99,7 @@ export default class Cloud {
     const response = await this.post("/users/login", body);
     const user = await response.json();
     this.username = user.username;
+    this.groupId = user.groupId;
     if (isNodeJs) {
       const cookie = response.headers.get("set-cookie");
       if (!cookie) throw new CloudError("No cookie received");
@@ -677,6 +681,27 @@ export default class Cloud {
     await this.post(`/libraries/user/${this.username}/${name}/unpublish`);
   }
 
+  async listGroupAssignments() {
+    const response = await this.fetch( `/groups/id/${encodeURIComponent(this.groupId)}/assignments/`, );
+    return await response.json();
+  }
+
+  async saveSubmission(assignmentId, xml) {
+    const body = { owner: this.username, xml: xml };
+    const response = await this.post(
+      `/groups/id/${encodeURIComponent(this.groupId)}/assignments/id/${encodeURIComponent(assignmentId)}/submissions/`,
+      body,
+    );
+    return await response.json();
+  }
+
+  async viewSubmissionXml( group_id, assignment_id, id) {
+    const response = await this.fetch(
+      `/groups/id/${encodeURIComponent(group_id)}/assignments/id/${encodeURIComponent(assignment_id)}/submissions/id/${encodeURIComponent(id)}/xml/`,
+    );
+    return await response.text();
+  }
+
   // Cloud: user messages (to be overridden)
 
   message(string) {
diff --git a/src/types/Assignment.ts b/src/types/Assignment.ts
new file mode 100644
index 0000000..05751aa
--- /dev/null
+++ b/src/types/Assignment.ts
@@ -0,0 +1,5 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+import type { AssignmentId } from "./AssignmentId";
+import type { GroupId } from "./GroupId";
+
+export interface Assignment { id: AssignmentId, groupId: GroupId, name: string, originTime: any, dueDate: any, }
\ No newline at end of file
diff --git a/src/types/AssignmentId.ts b/src/types/AssignmentId.ts
new file mode 100644
index 0000000..e517cce
--- /dev/null
+++ b/src/types/AssignmentId.ts
@@ -0,0 +1,3 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+
+export type AssignmentId = string;
\ No newline at end of file
diff --git a/src/types/CreateAssignmentData.ts b/src/types/CreateAssignmentData.ts
new file mode 100644
index 0000000..f84e69c
--- /dev/null
+++ b/src/types/CreateAssignmentData.ts
@@ -0,0 +1,4 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+import type { GroupId } from "./GroupId";
+
+export interface CreateAssignmentData { name: string, dueDate: any, }
diff --git a/src/types/CreateSubmissionData.ts b/src/types/CreateSubmissionData.ts
new file mode 100644
index 0000000..08451b8
--- /dev/null
+++ b/src/types/CreateSubmissionData.ts
@@ -0,0 +1,3 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+
+export interface CreateSubmissionData { owner: string, xml: string, }
\ No newline at end of file
diff --git a/src/types/Submission.ts b/src/types/Submission.ts
new file mode 100644
index 0000000..558da7f
--- /dev/null
+++ b/src/types/Submission.ts
@@ -0,0 +1,5 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+import type { AssignmentId } from "./AssignmentId";
+import type { SubmissionId } from "./SubmissionId";
+
+export interface Submission { id: SubmissionId, assignmentId: AssignmentId, owner: string, originTime: any, }
\ No newline at end of file
diff --git a/src/types/SubmissionId.ts b/src/types/SubmissionId.ts
new file mode 100644
index 0000000..82d39aa
--- /dev/null
+++ b/src/types/SubmissionId.ts
@@ -0,0 +1,3 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+
+export type SubmissionId = string;
\ No newline at end of file
diff --git a/src/types/UpdateAssignmentData.ts b/src/types/UpdateAssignmentData.ts
new file mode 100644
index 0000000..0eab52d
--- /dev/null
+++ b/src/types/UpdateAssignmentData.ts
@@ -0,0 +1,3 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+
+export interface UpdateAssignmentData { name: string | null, dueDate?: any, }
\ No newline at end of file