diff --git a/src/components/files.js b/src/components/files.js
index 70bfdd2..02d1587 100644
--- a/src/components/files.js
+++ b/src/components/files.js
@@ -203,6 +203,69 @@ export async function uploadRecordFile({
 	return response;
 }
 
+export async function uploadMessageFile({
+	secretKey,
+	fileUri,
+	file,
+	base64,
+	fileType,
+	fileName,
+	channelId,
+}) {
+	if (base64) {
+		const response = await server.loadJson(
+			`${Config.apiUrl}${Endpoints.PROJECT.NOTIFICATIONS.SERVER_EVENTS.FILES.UPLOAD}`,
+			{
+				method: 'POST',
+				headers: {
+					'X-CM-ProjectId': Config.projectId,
+					Authorization: `Bearer ${secretKey || Config.secretKey}`,
+					'Content-Type': 'application/json',
+					Accept: 'application/json',
+				},
+				body: JSON.stringify({
+					channelId,
+					base64File: {data: base64, contentType: fileType, fileName},
+				}),
+			}
+		);
+
+		return response;
+	}
+
+	const formData = new FormData();
+	if (channelId != null && channelId !== undefined) {
+		formData.append('channelId', channelId);
+	}
+
+	if (fileUri) {
+		const finalFilename =
+			fileName || fileUri.substring(fileUri.lastIndexOf('/') + 1);
+
+		formData.append('file', {
+			uri: fileUri,
+			name: finalFilename,
+			type: fileType,
+		});
+	} else {
+		formData.append('file', file);
+	}
+
+	const response = await server.loadJson(
+		`${Config.apiUrl}${Endpoints.PROJECT.NOTIFICATIONS.SERVER_EVENTS.FILES.UPLOAD}`,
+		{
+			method: 'POST',
+			headers: {
+				'X-CM-ProjectId': Config.projectId,
+				Authorization: `Bearer ${secretKey || Config.secretKey}`,
+			},
+			body: formData,
+		}
+	);
+
+	return response;
+}
+
 export function getFilePath(directory, fileName) {
 	return `${Config.baseFilePath}/${directory}/${fileName}`;
 }
diff --git a/src/components/sse.js b/src/components/sse.js
index 43cf532..80ad621 100644
--- a/src/components/sse.js
+++ b/src/components/sse.js
@@ -54,6 +54,7 @@ export async function getGroups({
 	sort,
 	includeChannels,
 	includeUsers,
+	includeNotSeenCount,
 }) {
 	const request = {
 		pageSize: pageSize || Config.tablePageSize,
@@ -62,6 +63,7 @@ export async function getGroups({
 		sort: objectOrStringToString(sort),
 		includeChannels,
 		includeUsers,
+		includeNotSeenCount,
 	};
 	const requestUrl = `${
 		Endpoints.PROJECT.NOTIFICATIONS.SERVER_EVENTS.GET_GROUPS
@@ -83,6 +85,38 @@ export async function getGroups({
 	return response;
 }
 
+export async function getGroup({
+	secretKey,
+	id,
+	includeChannels,
+	includeUsers,
+	includeNotSeenCount,
+}) {
+	const request = {
+		includeChannels,
+		includeUsers,
+		includeNotSeenCount,
+	};
+	const requestUrl = `${Endpoints.PROJECT.NOTIFICATIONS.SERVER_EVENTS.GET_GROUP(
+		id
+	)}?${toQueryString(request)}`;
+
+	const response = await server.loadJson(
+		`${Config.eventsApiUrl}${requestUrl}`,
+		{
+			method: 'GET',
+			headers: {
+				'X-CM-ProjectId': Config.projectId,
+				Authorization: `Bearer ${secretKey || Config.secretKey}`,
+				Accept: 'application/json',
+				'Content-Type': 'application/json',
+			},
+			body: null,
+		}
+	);
+	return response;
+}
+
 export async function createChannel({secretKey, groupId, title, meta, users}) {
 	const response = await server.loadJson(
 		`${
@@ -163,7 +197,13 @@ export async function getChannels({
 	return response;
 }
 
-export async function sendMessage({secretKey, channelId, message, meta}) {
+export async function sendMessage({
+	secretKey,
+	channelId,
+	message,
+	meta,
+	fileIds,
+}) {
 	const response = await server.loadJson(
 		`${Config.eventsApiUrl}${Endpoints.PROJECT.NOTIFICATIONS.SERVER_EVENTS.SEND_MESSAGE}`,
 		{
@@ -178,6 +218,28 @@ export async function sendMessage({secretKey, channelId, message, meta}) {
 				channelId,
 				message,
 				meta,
+				fileIds,
+			}),
+		}
+	);
+
+	return response;
+}
+
+export async function readMessages({secretKey, channelId, ids}) {
+	const response = await server.loadJson(
+		`${Config.eventsApiUrl}${Endpoints.PROJECT.NOTIFICATIONS.SERVER_EVENTS.READ_MESSAGES}`,
+		{
+			method: 'POST',
+			headers: {
+				'X-CM-ProjectId': Config.projectId,
+				Authorization: `Bearer ${secretKey || Config.secretKey}`,
+				Accept: 'application/json',
+				'Content-Type': 'application/json',
+			},
+			body: JSON.stringify({
+				channelId,
+				ids,
 			}),
 		}
 	);
diff --git a/src/routes.js b/src/routes.js
index 4e785d7..0e3fd1e 100644
--- a/src/routes.js
+++ b/src/routes.js
@@ -77,6 +77,7 @@ export const CONFIG = {
 				CREATE_GROUP: '/v2/notifications/server-events/groups',
 				DELETE_GROUP: (id) => `/v2/notifications/server-events/groups/${id}`,
 				GET_GROUPS: '/v2/notifications/server-events/groups',
+				GET_GROUP: (id) => `/v2/notifications/server-events/groups/${id}`,
 				CREATE_CHANNEL: (groupId) =>
 					`/v2/notifications/server-events/groups/${groupId}/channels`,
 				DELETE_CHANNEL: (groupId, id) =>
@@ -85,12 +86,16 @@ export const CONFIG = {
 					`/v2/notifications/server-events/groups/${groupId}/channels`,
 				GET_MESSAGES: '/v2/notifications/server-events/messages',
 				SEND_MESSAGE: '/v2/notifications/server-events/messages',
+				READ_MESSAGES: '/v2/notifications/server-events/messages/read',
 				AUTHORIZE_CONNECTION:
 					'/v2/notifications/server-events/connections/initialize',
 				OPEN_CONNECTION: '/v2/notifications/server-events/connections/open',
 				HEARTBEAT_CONNECTION:
 					'/v2/notifications/server-events/connections/health',
 				CLOSE_CONNECTION: '/v2/notifications/server-events/connections/close',
+				FILES: {
+					UPLOAD: '/v2/notifications/server-events/messages/files',
+				},
 			},
 		},
 		MEMBERSHIP: {