diff --git a/src/api.js b/src/api.js
index 9e380b3..0ea8dc9 100644
--- a/src/api.js
+++ b/src/api.js
@@ -1,6 +1,31 @@
 import axios from "@nextcloud/axios"
 import { generateUrl } from "@nextcloud/router"
 
+/**
+ * @typedef {number} PrincipalType
+ **/
+
+/**
+ * @enum {PrincipalType}
+ */
+var PrincipalTypes = {
+    USER: 1,
+    GROUP: 2,
+	ROLE: 3,
+}
+
+/**
+ * @typedef {number} ResourceMemberPermissionLevel
+ **/
+
+/**
+ * @enum {ResourceMemberPermissionLevel}
+ */
+var ResourceMemberPermissionLevels = {
+    MEMBER: 1,
+    MANAGER: 2,
+}
+
 /**
  * @typedef {{
  * id: number
@@ -18,24 +43,33 @@ import { generateUrl } from "@nextcloud/router"
  * @typedef {(FolderResource)} Resource
  * 
  * @typedef {{
- * type: number,
+ * type: PrincipalType,
  * id: string,
  * }} Principal
  * 
  * @typedef {{
  * id: number
  * resourceId: number
- * permissionLevel: number
+ * permissionLevel: ResourceMemberPermissionLevel
  * principal: Principal,
  * createdTimestamp: number,
  * lastUpdatedTimestamp: number,
  * }} ResourceMember
  * 
+ * @typedef {{
+ * id: number,
+ * friendlyName: string,
+ * membersGroup: string,
+ * }} Organization
+ * 
  */
 
 axios.defaults.baseURL = generateUrl("/apps/organization_folders")
 
 export default {
+	PrincipalTypes,
+	ResourceMemberPermissionLevels,
+
 	/**
 	 *
 	 * @param {number|string} resourceId Resource id
@@ -43,7 +77,7 @@ export default {
 	 * @return {Promise<Resource>}
 	 */
 	getResource(resourceId, include = "model") {
-		return axios.get(`/resources/${resourceId}`, { params: { include } }).then((res) => res.data)
+		return axios.get(`/resources/${resourceId}`, { params: { include } }).then((res) => res.data);
 	},
 
 	/**
@@ -58,16 +92,79 @@ export default {
 	 * }} updateResourceDto UpdateResourceDto
 	 * @return {Promise<Resource>}
 	 */
-	updateResource(resourceId, updateGroupDto) {
-		return axios.put(`/resources/${resourceId}`, { ...updateGroupDto }).then((res) => res.data)
+	updateResource(resourceId, updateGroupDto, include = "model") {
+		return axios.put(`/resources/${resourceId}`, { ...updateGroupDto, include }).then((res) => res.data);
 	},
 
 	/**
-	 *
 	 * @param {number|string} resourceId Resource id
 	 * @return {Promise<Array<ResourceMember>>}
 	 */
 	getResourceMembers(resourceId) {
-		return axios.get(`/resources/${resourceId}/members`, {}).then((res) => res.data)
+		return axios.get(`/resources/${resourceId}/members`, {}).then((res) => res.data);
 	},
+
+	/**
+	 * @param {number|string} resourceId Resource id
+	 * @param {{
+	 * permissionLevel: ResourceMemberPermissionLevel
+	 * principalType: PrincipalType
+	 * principalId: string
+	 * }} createResourceMemberDto CreateResourceMemberDto
+	 * @return {Promise<ResourceMember>}
+	 */
+	createResourceMember(resourceId, createResourceMemberDto) {
+		return axios.post(`/resources/${resourceId}/members`, { ...createResourceMemberDto }).then((res) => res.data);
+	},
+
+	/**
+	 * @param {number|string} resourceMemberId Resource member id
+	 * @param {{
+	 * permissionLevel: ResourceMemberPermissionLevel
+	 * }} createResourceMemberDto CreateResourceMemberDto
+	 * @return {Promise<ResourceMember>}
+	 */
+	updateResourceMember(resourceId, createResourceMemberDto) {
+		return axios.post(`/resources/${resourceId}/members`, { ...createResourceMemberDto }).then((res) => res.data);
+	},
+
+	/**
+	 * @return {Promise<Array<string>>}
+	 */
+	getOrganizationProviders() {
+		return axios.get(`/organizationProviders`, {}).then((res) => res.data);
+	},
+
+	/**
+	 * @param {string} organizationProviderId organization provider id
+	 * @param {int} id organization id
+	 * @return {Promise<Organization>}
+	 */
+	getOrganization(organizationProviderId, id) {
+		return axios.get(`/organizationProviders/${organizationProviderId}/organizations/${id}`, { }).then((res) => res.data);
+	},
+
+	/**
+	 * @param {string} organizationProviderId organization provider id
+	 * @param {number|undefined} parentOrganizationId parent organization id (null if top level organizations)
+	 * @return {Promise<Array<Organization>>}
+	 */
+	getSubOrganizations(organizationProviderId, parentOrganizationId) {
+		if(parentOrganizationId) {
+			return axios.get(`/organizationProviders/${organizationProviderId}/organizations/${parentOrganizationId}/subOrganizations`, { }).then((res) => res.data);
+		} else {
+			return axios.get(`/organizationProviders/${organizationProviderId}/subOrganizations`, { }).then((res) => res.data);
+		}
+		
+	},
+
+	/**
+	 * @param {string} organizationProviderId organization provider id
+	 * @param {number} organizationId organization id
+	 * @return {Promise<Array<Organization>>}
+	 */
+	getRoles(organizationProviderId, organizationId) {
+		return axios.get(`/organizationProviders/${organizationProviderId}/organizations/${organizationId}/roles/`, { }).then((res) => res.data);
+	}
+
 }