diff --git a/app/lib/methods/getRoles.js b/app/lib/methods/getRoles.ts
similarity index 78%
rename from app/lib/methods/getRoles.js
rename to app/lib/methods/getRoles.ts
index 77bc5cf83..91528d46c 100644
--- a/app/lib/methods/getRoles.js
+++ b/app/lib/methods/getRoles.ts
@@ -5,8 +5,9 @@ import log from '../../utils/log';
 import reduxStore from '../createStore';
 import { removeRoles, setRoles as setRolesAction, updateRoles } from '../../actions/roles';
 import protectedFunction from './helpers/protectedFunction';
+import { IRocketChat } from '../../definitions/IRocketChat';
 
-export async function setRoles() {
+export async function setRoles(): Promise<void> {
 	const db = database.active;
 	const rolesCollection = db.get('roles');
 	const allRoles = await rolesCollection.query().fetch();
@@ -14,7 +15,7 @@ export async function setRoles() {
 	reduxStore.dispatch(setRolesAction(parsed));
 }
 
-export async function onRolesChanged(ddpMessage) {
+export async function onRolesChanged(ddpMessage: any) {
 	const { type, _id, description } = ddpMessage.fields.args[0];
 	if (/changed/.test(type)) {
 		const db = database.active;
@@ -22,7 +23,7 @@ export async function onRolesChanged(ddpMessage) {
 		try {
 			const rolesRecord = await rolesCollection.find(_id);
 			try {
-				await db.action(async () => {
+				await db.write(async () => {
 					await rolesRecord.update(u => {
 						u.description = description;
 					});
@@ -33,7 +34,7 @@ export async function onRolesChanged(ddpMessage) {
 			reduxStore.dispatch(updateRoles(_id, description));
 		} catch (err) {
 			try {
-				await db.action(async () => {
+				await db.write(async () => {
 					await rolesCollection.create(post => {
 						post._raw = sanitizedRaw({ id: _id, description }, rolesCollection.schema);
 					});
@@ -49,7 +50,7 @@ export async function onRolesChanged(ddpMessage) {
 		const rolesCollection = db.get('roles');
 		try {
 			const rolesRecord = await rolesCollection.find(_id);
-			await db.action(async () => {
+			await db.write(async () => {
 				await rolesRecord.destroyPermanently();
 			});
 			reduxStore.dispatch(removeRoles(_id));
@@ -59,7 +60,8 @@ export async function onRolesChanged(ddpMessage) {
 	}
 }
 
-export function getRoles() {
+// TODO - Remove those anys, after decide how type rest api response
+export function getRoles(this: IRocketChat): Promise<void> {
 	const db = database.active;
 	return new Promise(async resolve => {
 		try {
@@ -73,18 +75,18 @@ export function getRoles() {
 			const { roles } = result;
 
 			if (roles && roles.length) {
-				await db.action(async () => {
+				await db.write(async () => {
 					const rolesCollections = db.get('roles');
 					const allRolesRecords = await rolesCollections.query().fetch();
 
 					// filter roles
-					let rolesToCreate = roles.filter(i1 => !allRolesRecords.find(i2 => i1._id === i2.id));
-					let rolesToUpdate = allRolesRecords.filter(i1 => roles.find(i2 => i1.id === i2._id));
+					let rolesToCreate = roles.filter((i1: any) => !allRolesRecords.find(i2 => i1._id === i2.id));
+					let rolesToUpdate = allRolesRecords.filter(i1 => roles.find((i2: any) => i1.id === i2._id));
 
 					// Create
-					rolesToCreate = rolesToCreate.map(role =>
+					rolesToCreate = rolesToCreate.map((role: any) =>
 						rolesCollections.prepareCreate(
-							protectedFunction(r => {
+							protectedFunction((r: any) => {
 								r._raw = sanitizedRaw({ id: role._id }, rolesCollections.schema);
 								Object.assign(r, role);
 							})
@@ -93,9 +95,9 @@ export function getRoles() {
 
 					// Update
 					rolesToUpdate = rolesToUpdate.map(role => {
-						const newRole = roles.find(r => r._id === role.id);
+						const newRole = roles.find((r: any) => r._id === role.id);
 						return role.prepareUpdate(
-							protectedFunction(r => {
+							protectedFunction((r: any) => {
 								Object.assign(r, newRole);
 							})
 						);