diff --git a/app/containers/UIKit/Actions.tsx b/app/containers/UIKit/Actions.tsx
index 1d5ba9840..801e8d4ae 100644
--- a/app/containers/UIKit/Actions.tsx
+++ b/app/containers/UIKit/Actions.tsx
@@ -3,25 +3,18 @@ import { BLOCK_CONTEXT } from '@rocket.chat/ui-kit';
 
 import Button from '../Button';
 import I18n from '../../i18n';
-
-interface IActions {
-	blockId: string;
-	appId: string;
-	elements: any[];
-	parser: any;
-	theme: string;
-}
+import { IActions } from './interfaces';
 
 export const Actions = ({ blockId, appId, elements, parser, theme }: IActions) => {
-	const [showMoreVisible, setShowMoreVisible] = useState(() => elements.length > 5);
-	const renderedElements = showMoreVisible ? elements.slice(0, 5) : elements;
+	const [showMoreVisible, setShowMoreVisible] = useState(() => elements && elements.length > 5);
+	const renderedElements = showMoreVisible ? elements?.slice(0, 5) : elements;
 
-	const Elements = () =>
-		renderedElements.map((element: any) => parser.renderActions({ blockId, appId, ...element }, BLOCK_CONTEXT.ACTION, parser));
+	const Elements = () => (
+		<>{renderedElements?.map(element => parser?.renderActions({ blockId, appId, ...element }, BLOCK_CONTEXT.ACTION, parser))}</>
+	);
 
 	return (
 		<>
-			{/* @ts-ignore*/}
 			<Elements />
 			{showMoreVisible && <Button theme={theme} title={I18n.t('Show_more')} onPress={() => setShowMoreVisible(false)} />}
 		</>
diff --git a/app/containers/UIKit/Context.tsx b/app/containers/UIKit/Context.tsx
index 11f8e492e..e39580140 100644
--- a/app/containers/UIKit/Context.tsx
+++ b/app/containers/UIKit/Context.tsx
@@ -1,8 +1,9 @@
 import React from 'react';
 import { StyleSheet, View } from 'react-native';
-import PropTypes from 'prop-types';
 import { BLOCK_CONTEXT } from '@rocket.chat/ui-kit';
 
+import { IContext } from './interfaces';
+
 const styles = StyleSheet.create({
 	container: {
 		minHeight: 36,
@@ -11,13 +12,6 @@ const styles = StyleSheet.create({
 	}
 });
 
-export const Context = ({ elements, parser }: any) => (
-	<View style={styles.container}>
-		{elements.map((element: any) => parser.renderContext(element, BLOCK_CONTEXT.CONTEXT, parser))}
-	</View>
+export const Context = ({ elements, parser }: IContext) => (
+	<View style={styles.container}>{elements?.map(element => parser?.renderContext(element, BLOCK_CONTEXT.CONTEXT, parser))}</View>
 );
-
-Context.propTypes = {
-	elements: PropTypes.array,
-	parser: PropTypes.object
-};
diff --git a/app/containers/UIKit/DatePicker.tsx b/app/containers/UIKit/DatePicker.tsx
index 25ada0700..08b5343a8 100644
--- a/app/containers/UIKit/DatePicker.tsx
+++ b/app/containers/UIKit/DatePicker.tsx
@@ -12,6 +12,7 @@ import sharedStyles from '../../views/Styles';
 import { CustomIcon } from '../../lib/Icons';
 import { isAndroid } from '../../utils/deviceInfo';
 import ActivityIndicator from '../ActivityIndicator';
+import { IDatePicker } from './interfaces';
 
 const styles = StyleSheet.create({
 	input: {
@@ -35,23 +36,11 @@ const styles = StyleSheet.create({
 	}
 });
 
-interface IDatePicker {
-	element: {
-		initial_date: any;
-		placeholder: string;
-	};
-	language: string;
-	action: Function;
-	context: number;
-	loading: boolean;
-	theme: string;
-	value: string;
-	error: string;
-}
-
 export const DatePicker = ({ element, language, action, context, theme, loading, value, error }: IDatePicker) => {
 	const [show, onShow] = useState(false);
-	const { initial_date, placeholder } = element;
+	const initial_date = element?.initial_date;
+	const placeholder = element?.placeholder;
+
 	const [currentDate, onChangeDate] = useState(new Date(initial_date || value));
 
 	const onChange = ({ nativeEvent: { timestamp } }: any, date: any) => {
diff --git a/app/containers/UIKit/Image.tsx b/app/containers/UIKit/Image.tsx
index 7b8dbf0ff..9e4317fb0 100644
--- a/app/containers/UIKit/Image.tsx
+++ b/app/containers/UIKit/Image.tsx
@@ -5,6 +5,8 @@ import { BLOCK_CONTEXT } from '@rocket.chat/ui-kit';
 
 import ImageContainer from '../message/Image';
 import Navigation from '../../lib/Navigation';
+import { IThumb, IImage, IElement } from './interfaces';
+import { TThemeMode } from '../../definitions/ITheme';
 
 const styles = StyleSheet.create({
 	image: {
@@ -15,44 +17,25 @@ const styles = StyleSheet.create({
 	}
 });
 
-interface IThumb {
-	element: {
-		imageUrl: string;
-	};
-	size?: number;
-}
-
-interface IMedia {
-	element: {
-		imageUrl: string;
-	};
-	theme: string;
-}
-
-interface IImage {
-	element: any;
-	context: any;
-	theme: string;
-}
-
-const ThumbContext = (args: any) => (
+const ThumbContext = (args: IThumb) => (
 	<View style={styles.mediaContext}>
 		<Thumb size={20} {...args} />
 	</View>
 );
 
 export const Thumb = ({ element, size = 88 }: IThumb) => (
-	<FastImage style={[{ width: size, height: size }, styles.image]} source={{ uri: element.imageUrl }} />
+	<FastImage style={[{ width: size, height: size }, styles.image]} source={{ uri: element?.imageUrl }} />
 );
 
-export const Media = ({ element, theme }: IMedia) => {
+export const Media = ({ element, theme }: IImage) => {
 	const showAttachment = (attachment: any) => Navigation.navigate('AttachmentView', { attachment });
-	const { imageUrl } = element;
+	const imageUrl = element?.imageUrl ?? '';
 	// @ts-ignore
+	// TODO: delete ts-ignore after refactor Markdown and ImageContainer
 	return <ImageContainer file={{ image_url: imageUrl }} imageUrl={imageUrl} showAttachment={showAttachment} theme={theme} />;
 };
 
-const genericImage = (element: any, context: any, theme: string) => {
+const genericImage = (theme: TThemeMode, element: IElement, context?: number) => {
 	switch (context) {
 		case BLOCK_CONTEXT.SECTION:
 			return <Thumb element={element} />;
@@ -63,4 +46,4 @@ const genericImage = (element: any, context: any, theme: string) => {
 	}
 };
 
-export const Image = ({ element, context, theme }: IImage) => genericImage(element, context, theme);
+export const Image = ({ element, context, theme }: IImage) => genericImage(theme, element, context);
diff --git a/app/containers/UIKit/Input.tsx b/app/containers/UIKit/Input.tsx
index 3ecd8b58c..b3492e447 100644
--- a/app/containers/UIKit/Input.tsx
+++ b/app/containers/UIKit/Input.tsx
@@ -4,6 +4,7 @@ import { BLOCK_CONTEXT } from '@rocket.chat/ui-kit';
 
 import sharedStyles from '../../views/Styles';
 import { themes } from '../../constants/colors';
+import { IInput } from './interfaces';
 
 const styles = StyleSheet.create({
 	container: {
@@ -31,16 +32,6 @@ const styles = StyleSheet.create({
 	}
 });
 
-interface IInput {
-	element: object;
-	parser: any;
-	label: string;
-	description: string;
-	error: string;
-	hint: string;
-	theme: string;
-}
-
 export const Input = ({ element, parser, label, description, error, hint, theme }: IInput) => (
 	<View style={styles.container}>
 		{label ? (
diff --git a/app/containers/UIKit/Overflow.tsx b/app/containers/UIKit/Overflow.tsx
index 391a3af17..50d77920b 100644
--- a/app/containers/UIKit/Overflow.tsx
+++ b/app/containers/UIKit/Overflow.tsx
@@ -8,32 +8,7 @@ import ActivityIndicator from '../ActivityIndicator';
 import { themes } from '../../constants/colors';
 import { BUTTON_HIT_SLOP } from '../message/utils';
 import * as List from '../List';
-
-interface IOption {
-	option: {
-		text: string;
-		value: string;
-	};
-	onOptionPress: Function;
-	parser: any;
-	theme: string;
-}
-
-interface IOptions {
-	options: [];
-	onOptionPress: Function;
-	parser: object;
-	theme: string;
-}
-
-interface IOverflow {
-	element: any;
-	action: Function;
-	loading: boolean;
-	parser: object;
-	theme: string;
-	context: any;
-}
+import { IOption, IOptions, IOverflow } from './interfaces';
 
 const keyExtractor = (item: any) => item.value;
 
@@ -68,10 +43,11 @@ const Options = ({ options, onOptionPress, parser, theme }: IOptions) => (
 	/>
 );
 
-const touchable = {};
+const touchable: { [key: string]: any } = {};
 
 export const Overflow = ({ element, loading, action, parser, theme }: IOverflow) => {
-	const { options, blockId } = element;
+	const options = element?.options || [];
+	const blockId = element?.blockId || '';
 	const [show, onShow] = useState(false);
 
 	const onOptionPress = ({ value }: any) => {
@@ -82,8 +58,7 @@ export const Overflow = ({ element, loading, action, parser, theme }: IOverflow)
 	return (
 		<>
 			<Touchable
-				/* @ts-ignore*/
-				ref={ref => (touchable[blockId] = ref)}
+				ref={(ref: any) => (touchable[blockId] = ref)}
 				background={Touchable.Ripple(themes[theme].bannerBackground)}
 				onPress={() => onShow(!show)}
 				hitSlop={BUTTON_HIT_SLOP}
diff --git a/app/containers/UIKit/Section.tsx b/app/containers/UIKit/Section.tsx
index a64d2c7a1..6a4c60744 100644
--- a/app/containers/UIKit/Section.tsx
+++ b/app/containers/UIKit/Section.tsx
@@ -3,6 +3,7 @@ import { StyleSheet, Text, View } from 'react-native';
 import { BLOCK_CONTEXT } from '@rocket.chat/ui-kit';
 
 import { themes } from '../../constants/colors';
+import { IAccessoryComponent, IFields, ISection } from './interfaces';
 
 const styles = StyleSheet.create({
 	content: {
@@ -23,36 +24,16 @@ const styles = StyleSheet.create({
 	}
 });
 
-interface IAccessory {
-	blockId?: string;
-	appId?: string;
-	element: any;
-	parser: any;
-}
+const Accessory = ({ element, parser }: IAccessoryComponent) =>
+	parser.renderAccessories({ ...element }, BLOCK_CONTEXT.SECTION, parser);
 
-interface IFields {
-	fields: any;
-	parser: any;
-	theme: string;
-}
-
-interface ISection {
-	blockId: string;
-	appId: string;
-	text: object;
-	fields: [];
-	accessory: any;
-	theme: string;
-	parser: any;
-}
-
-const Accessory = ({ blockId, appId, element, parser }: IAccessory) =>
-	parser.renderAccessories({ blockId, appId, ...element }, BLOCK_CONTEXT.SECTION, parser);
-
-const Fields = ({ fields, parser, theme }: IFields) =>
-	fields.map((field: any) => (
-		<Text style={[styles.text, styles.field, { color: themes[theme].bodyText }]}>{parser.text(field)}</Text>
-	));
+const Fields = ({ fields, parser, theme }: IFields) => (
+	<>
+		{fields.map(field => (
+			<Text style={[styles.text, styles.field, { color: themes[theme].bodyText }]}>{parser.text(field)}</Text>
+		))}
+	</>
+);
 
 const accessoriesRight = ['image', 'overflow'];
 
diff --git a/app/containers/UIKit/index.tsx b/app/containers/UIKit/index.tsx
index a5850441a..f53ffbead 100644
--- a/app/containers/UIKit/index.tsx
+++ b/app/containers/UIKit/index.tsx
@@ -20,6 +20,7 @@ import { Input } from './Input';
 import { DatePicker } from './DatePicker';
 import { Overflow } from './Overflow';
 import { ThemeContext } from '../../theme';
+import { BlockContext, IButton, IInputIndex, IParser, IText } from './interfaces';
 
 const styles = StyleSheet.create({
 	input: {
@@ -42,8 +43,12 @@ const styles = StyleSheet.create({
 const plainText = ({ text } = { text: '' }) => text;
 
 class MessageParser extends UiKitParserMessage {
-	text({ text, type }: any = { text: '' }, context: any) {
-		const { theme }: any = useContext(ThemeContext);
+	get current() {
+		return this as unknown as IParser;
+	}
+
+	text({ text, type }: Partial<IText> = { text: '' }, context: BlockContext) {
+		const { theme } = useContext(ThemeContext);
 		if (type !== 'mrkdwn') {
 			return <Text style={[styles.text, { color: themes[theme].bodyText }]}>{text}</Text>;
 		}
@@ -55,9 +60,9 @@ class MessageParser extends UiKitParserMessage {
 		return <Markdown msg={text} theme={theme} style={[isContext && { color: themes[theme].auxiliaryText }]} />;
 	}
 
-	button(element: any, context: any) {
+	button(element: IButton, context: BlockContext) {
 		const { text, value, actionId, style } = element;
-		const [{ loading }, action]: any = useBlockContext(element, context);
+		const [{ loading }, action] = useBlockContext(element, context);
 		const { theme } = useContext(ThemeContext);
 		return (
 			<Button
@@ -73,7 +78,7 @@ class MessageParser extends UiKitParserMessage {
 	}
 
 	divider() {
-		const { theme }: any = useContext(ThemeContext);
+		const { theme } = useContext(ThemeContext);
 		// @ts-ignore
 		return <Divider theme={theme} />;
 	}
@@ -91,7 +96,7 @@ class MessageParser extends UiKitParserMessage {
 	overflow(element: any, context: any) {
 		const [{ loading }, action]: any = useBlockContext(element, context);
 		const { theme }: any = useContext(ThemeContext);
-		return <Overflow element={element} context={context} loading={loading} action={action} theme={theme} parser={this} />;
+		return <Overflow element={element} context={context} loading={loading} action={action} theme={theme} parser={this.current} />;
 	}
 
 	datePicker(element: any, context: any) {
@@ -150,12 +155,16 @@ class ModalParser extends UiKitParserModal {
 		});
 	}
 
-	input({ element, blockId, appId, label, description, hint }: any, context: any) {
+	get current() {
+		return this as unknown as IParser;
+	}
+
+	input({ element, blockId, appId, label, description, hint }: IInputIndex, context: number) {
 		const [{ error }]: any = useBlockContext({ ...element, appId, blockId }, context);
 		const { theme }: any = useContext(ThemeContext);
 		return (
 			<Input
-				parser={this}
+				parser={this.current}
 				element={{ ...element, appId, blockId }}
 				label={plainText(label)}
 				description={plainText(description)}
diff --git a/app/containers/UIKit/interfaces.ts b/app/containers/UIKit/interfaces.ts
new file mode 100644
index 000000000..af41c34a3
--- /dev/null
+++ b/app/containers/UIKit/interfaces.ts
@@ -0,0 +1,273 @@
+import { TThemeMode } from '../../definitions/ITheme';
+
+export enum ElementTypes {
+	IMAGE = 'image',
+	BUTTON = 'button',
+	STATIC_SELECT = 'static_select',
+	MULTI_STATIC_SELECT = 'multi_static_select',
+	CONVERSATION_SELECT = 'conversations_select',
+	CHANNEL_SELECT = 'channels_select',
+	USER_SELECT = 'users_select',
+	OVERFLOW = 'overflow',
+	DATEPICKER = 'datepicker',
+	PLAIN_TEXT_INPUT = 'plain_text_input',
+	SECTION = 'section',
+	DIVIDER = 'divider',
+	ACTIONS = 'actions',
+	CONTEXT = 'context',
+	FIELDS = 'fields',
+	INPUT = 'input',
+	PLAIN_TEXT = 'plain_text',
+	TEXT = 'text',
+	MARKDOWN = 'mrkdwn'
+}
+
+export enum BlockContext {
+	BLOCK,
+	SECTION,
+	ACTION,
+	FORM,
+	CONTEXT
+}
+
+export enum ActionTypes {
+	ACTION = 'blockAction',
+	SUBMIT = 'viewSubmit',
+	CLOSED = 'viewClosed'
+}
+
+export enum ContainerTypes {
+	VIEW = 'view',
+	MESSAGE = 'message'
+}
+
+export enum ModalActions {
+	MODAL = 'modal',
+	OPEN = 'modal.open',
+	CLOSE = 'modal.close',
+	UPDATE = 'modal.update',
+	ERRORS = 'errors'
+}
+
+export interface IStateView {
+	[key: string]: { [settings: string]: string | number };
+}
+
+export interface IView {
+	appId: string;
+	type: ModalActions;
+	id: string;
+	title: IText;
+	submit: IButton;
+	close: IButton;
+	blocks: Block[];
+	showIcon: boolean;
+	state?: IStateView;
+}
+
+export interface Block {
+	type: ElementTypes;
+	blockId: string;
+	element?: IElement;
+	label?: string;
+	appId: string;
+	optional?: boolean;
+	elements?: IElement[];
+}
+
+export interface IElement {
+	type: ElementTypes;
+	placeholder?: IText;
+	actionId: string;
+	initialValue?: string;
+	options?: Option[];
+	text?: IText;
+	value?: string;
+	initial_date?: any;
+	imageUrl?: string;
+	appId?: string;
+	blockId?: string;
+}
+
+export interface IText {
+	type: ElementTypes;
+	text: string;
+	emoji?: boolean;
+}
+
+export interface Option {
+	text: IText;
+	value: string;
+}
+
+export interface IButton {
+	type: ElementTypes;
+	text: IText;
+	actionId: string;
+	value?: any;
+	style?: any;
+}
+
+export interface IContainer {
+	type: ContainerTypes;
+	id: string;
+}
+
+// methods/actions
+export interface IUserInteraction {
+	triggerId: string;
+	appId?: string;
+	viewId?: string;
+	view: IView;
+}
+
+export interface IEmitUserInteraction extends IUserInteraction {
+	type: ModalActions;
+}
+
+export interface ITriggerAction {
+	type: ActionTypes;
+	actionId?: string;
+	appId?: string;
+	container?: IContainer;
+	value?: number;
+	blockId?: string;
+	rid?: string;
+	mid?: string;
+	viewId?: string;
+	payload?: any;
+	view?: IView;
+}
+
+export interface ITriggerBlockAction {
+	container: IContainer;
+	actionId: string;
+	appId: string;
+	value: number;
+	blockId?: string;
+	mid?: string;
+	rid?: string;
+}
+
+export interface ITriggerSubmitView {
+	viewId: string;
+	appId: string;
+	payload: {
+		view: {
+			id: string;
+			state: IStateView;
+		};
+	};
+}
+
+export interface ITriggerCancel {
+	view: IView;
+	appId: string;
+	viewId: string;
+	isCleared: boolean;
+}
+
+// UiKit components
+export interface IParser {
+	renderAccessories: (data: TElementAccessory, context: BlockContext, parser: IParser) => JSX.Element;
+	renderActions: (data: Block, context: BlockContext, parser: IParser) => JSX.Element;
+	renderContext: (data: IElement, context: BlockContext, parser: IParser) => JSX.Element;
+	renderInputs: (data: Partial<IElement>, context: BlockContext, parser: IParser) => JSX.Element;
+	text: (data: IText) => JSX.Element;
+}
+export interface IActions extends Block {
+	parser?: IParser;
+	theme: TThemeMode;
+}
+
+export interface IContext extends Block {
+	parser: IParser;
+}
+
+export interface IDatePicker extends Partial<Block> {
+	language: string;
+	action: Function;
+	context: number;
+	loading: boolean;
+	value: string;
+	error: string;
+	theme: TThemeMode;
+}
+
+export interface IInput extends Partial<Block> {
+	parser: IParser;
+	description: string;
+	error: string;
+	hint: string;
+	theme: TThemeMode;
+}
+
+export interface IInputIndex {
+	element: IElement;
+	blockId: string;
+	appId: string;
+	label: IText;
+	description: IText;
+	hint: IText;
+}
+
+export interface IThumb {
+	element: IElement;
+	size?: number;
+}
+export interface IImage {
+	element: IElement;
+	theme: TThemeMode;
+	context?: number;
+}
+
+// UiKit/Overflow
+export interface IOverflow extends Partial<Block> {
+	action: Function;
+	loading: boolean;
+	parser: IParser;
+	theme: TThemeMode;
+	context: number;
+}
+
+interface PropsOption {
+	onOptionPress: Function;
+	parser: IParser;
+	theme: TThemeMode;
+}
+export interface IOptions extends PropsOption {
+	options: Option[];
+}
+
+export interface IOption extends PropsOption {
+	option: Option;
+}
+
+// UiKit/Section
+interface IAccessory {
+	type: ElementTypes;
+	actionId: string;
+	value: number;
+	text: IText;
+}
+
+type TElementAccessory = IAccessory & { blockId: string; appId: string };
+export interface IAccessoryComponent {
+	element: TElementAccessory;
+	parser: IParser;
+}
+export interface ISection {
+	blockId: string;
+	appId: string;
+	text?: IText;
+	accessory?: IAccessory;
+	parser: IParser;
+	theme: TThemeMode;
+	fields?: any[];
+}
+
+export interface IFields {
+	parser: IParser;
+	theme: TThemeMode;
+	fields: any[];
+}
diff --git a/app/containers/UIKit/utils.ts b/app/containers/UIKit/utils.ts
index b64aea9cc..d148fdd56 100644
--- a/app/containers/UIKit/utils.ts
+++ b/app/containers/UIKit/utils.ts
@@ -2,6 +2,8 @@
 import React, { useContext, useState } from 'react';
 import { BLOCK_CONTEXT } from '@rocket.chat/ui-kit';
 
+import { BlockContext } from './interfaces';
+
 export const textParser = ([{ text }]: any) => text;
 
 export const defaultContext: any = {
@@ -13,7 +15,19 @@ export const defaultContext: any = {
 
 export const KitContext = React.createContext(defaultContext);
 
-export const useBlockContext = ({ blockId, actionId, appId, initialValue }: any, context: any) => {
+type TObjectReturn = {
+	loading: boolean;
+	setLoading: React.Dispatch<React.SetStateAction<boolean>>;
+	error: any;
+	value: any;
+	language: any;
+};
+
+type TFunctionReturn = (value: any) => Promise<void>;
+
+type TReturn = [TObjectReturn, TFunctionReturn];
+
+export const useBlockContext = ({ blockId, actionId, appId, initialValue }: any, context: BlockContext): TReturn => {
 	const { action, appId: appIdFromContext, viewId, state, language, errors, values = {} } = useContext(KitContext);
 	const { value = initialValue } = values[actionId] || {};
 	const [loading, setLoading] = useState(false);
diff --git a/app/lib/methods/actions.js b/app/lib/methods/actions.ts
similarity index 51%
rename from app/lib/methods/actions.js
rename to app/lib/methods/actions.ts
index 7dcdb6ae5..73dc44468 100644
--- a/app/lib/methods/actions.js
+++ b/app/lib/methods/actions.ts
@@ -2,42 +2,37 @@ import random from '../../utils/random';
 import EventEmitter from '../../utils/events';
 import fetch from '../../utils/fetch';
 import Navigation from '../Navigation';
-
-const ACTION_TYPES = {
-	ACTION: 'blockAction',
-	SUBMIT: 'viewSubmit',
-	CLOSED: 'viewClosed'
-};
-
-export const MODAL_ACTIONS = {
-	MODAL: 'modal',
-	OPEN: 'modal.open',
-	CLOSE: 'modal.close',
-	UPDATE: 'modal.update',
-	ERRORS: 'errors'
-};
-
-export const CONTAINER_TYPES = {
-	VIEW: 'view',
-	MESSAGE: 'message'
-};
+import sdk from '../rocketchat/services/sdk';
+import {
+	ActionTypes,
+	ITriggerAction,
+	ITriggerBlockAction,
+	ITriggerCancel,
+	ITriggerSubmitView,
+	IUserInteraction,
+	ModalActions
+} from '../../containers/UIKit/interfaces';
+import { TRocketChat } from '../../definitions/IRocketChat';
 
 const triggersId = new Map();
 
-const invalidateTriggerId = id => {
+const invalidateTriggerId = (id: string) => {
 	const appId = triggersId.get(id);
 	triggersId.delete(id);
 	return appId;
 };
 
-export const generateTriggerId = appId => {
+export const generateTriggerId = (appId?: string): string => {
 	const triggerId = random(17);
 	triggersId.set(triggerId, appId);
 
 	return triggerId;
 };
 
-export const handlePayloadUserInteraction = (type, { triggerId, ...data }) => {
+export const handlePayloadUserInteraction = (
+	type: ModalActions,
+	{ triggerId, ...data }: IUserInteraction
+): ModalActions | undefined => {
 	if (!triggersId.has(triggerId)) {
 		return;
 	}
@@ -58,7 +53,7 @@ export const handlePayloadUserInteraction = (type, { triggerId, ...data }) => {
 		return;
 	}
 
-	if ([MODAL_ACTIONS.ERRORS].includes(type)) {
+	if ([ModalActions.ERRORS].includes(type)) {
 		EventEmitter.emit(viewId, {
 			type,
 			triggerId,
@@ -66,10 +61,10 @@ export const handlePayloadUserInteraction = (type, { triggerId, ...data }) => {
 			appId,
 			...data
 		});
-		return MODAL_ACTIONS.ERRORS;
+		return ModalActions.ERRORS;
 	}
 
-	if ([MODAL_ACTIONS.UPDATE].includes(type)) {
+	if ([ModalActions.UPDATE].includes(type)) {
 		EventEmitter.emit(viewId, {
 			type,
 			triggerId,
@@ -77,10 +72,10 @@ export const handlePayloadUserInteraction = (type, { triggerId, ...data }) => {
 			appId,
 			...data
 		});
-		return MODAL_ACTIONS.UPDATE;
+		return ModalActions.UPDATE;
 	}
 
-	if ([MODAL_ACTIONS.OPEN].includes(type) || [MODAL_ACTIONS.MODAL].includes(type)) {
+	if ([ModalActions.OPEN].includes(type) || [ModalActions.MODAL].includes(type)) {
 		Navigation.navigate('ModalBlockView', {
 			data: {
 				triggerId,
@@ -89,21 +84,24 @@ export const handlePayloadUserInteraction = (type, { triggerId, ...data }) => {
 				...data
 			}
 		});
-		return MODAL_ACTIONS.OPEN;
+		return ModalActions.OPEN;
 	}
 
-	return MODAL_ACTIONS.CLOSE;
+	return ModalActions.CLOSE;
 };
 
-export function triggerAction({ type, actionId, appId, rid, mid, viewId, container, ...rest }) {
-	return new Promise(async (resolve, reject) => {
+export function triggerAction(
+	this: TRocketChat,
+	{ type, actionId, appId, rid, mid, viewId, container, ...rest }: ITriggerAction
+) {
+	return new Promise<ModalActions | undefined | void>(async (resolve, reject) => {
 		const triggerId = generateTriggerId(appId);
 
 		const payload = rest.payload || rest;
 
 		try {
-			const { userId, authToken } = this.sdk.currentLogin;
-			const { host } = this.sdk.client;
+			const { userId, authToken } = sdk.current.currentLogin;
+			const { host } = sdk.current.client;
 
 			// we need to use fetch because this.sdk.post add /v1 to url
 			const result = await fetch(`${host}/api/apps/ui.interaction/${appId}/`, {
@@ -142,17 +140,17 @@ export function triggerAction({ type, actionId, appId, rid, mid, viewId, contain
 	});
 }
 
-export default function triggerBlockAction(options) {
-	return triggerAction.call(this, { type: ACTION_TYPES.ACTION, ...options });
+export default function triggerBlockAction(this: TRocketChat, options: ITriggerBlockAction) {
+	return triggerAction.call(this, { type: ActionTypes.ACTION, ...options });
 }
 
-export async function triggerSubmitView({ viewId, ...options }) {
-	const result = await triggerAction.call(this, { type: ACTION_TYPES.SUBMIT, viewId, ...options });
-	if (!result || MODAL_ACTIONS.CLOSE === result) {
+export async function triggerSubmitView(this: TRocketChat, { viewId, ...options }: ITriggerSubmitView) {
+	const result = await triggerAction.call(this, { type: ActionTypes.SUBMIT, viewId, ...options });
+	if (!result || ModalActions.CLOSE === result) {
 		Navigation.back();
 	}
 }
 
-export function triggerCancel({ view, ...options }) {
-	return triggerAction.call(this, { type: ACTION_TYPES.CLOSED, view, ...options });
+export function triggerCancel(this: TRocketChat, { view, ...options }: ITriggerCancel) {
+	return triggerAction.call(this, { type: ActionTypes.CLOSED, view, ...options });
 }
diff --git a/app/utils/events.ts b/app/utils/events.ts
index d32588d5f..0364cab96 100644
--- a/app/utils/events.ts
+++ b/app/utils/events.ts
@@ -1,3 +1,4 @@
+import { IEmitUserInteraction } from '../containers/UIKit/interfaces';
 import { ICommand } from '../definitions/ICommand';
 import log from './log';
 
@@ -11,7 +12,8 @@ type TEventEmitterEmmitArgs =
 	| { hasBiometry: boolean }
 	| { event: string | ICommand }
 	| { cancel: () => void }
-	| { submit: (param: string) => void };
+	| { submit: (param: string) => void }
+	| IEmitUserInteraction;
 
 class EventEmitter {
 	private events: { [key: string]: any };
diff --git a/app/utils/fetch.ts b/app/utils/fetch.ts
index c8758da8b..51a7c7173 100644
--- a/app/utils/fetch.ts
+++ b/app/utils/fetch.ts
@@ -4,9 +4,21 @@ import { settings as RocketChatSettings } from '@rocket.chat/sdk';
 
 import RocketChat from '../lib/rocketchat';
 
+export type TMethods = 'POST' | 'GET' | 'DELETE' | 'PUT' | 'post' | 'get' | 'delete' | 'put';
+
 interface CustomHeaders {
-	'User-Agent': string;
+	'User-Agent'?: string;
 	Authorization?: string;
+	'Content-Type'?: string;
+	'X-Auth-Token'?: string;
+	'X-User-Id'?: string;
+}
+
+interface IOptions {
+	headers?: CustomHeaders;
+	signal?: AbortSignal;
+	method?: TMethods;
+	body?: any;
 }
 
 // this form is required by Rocket.Chat's parser in "app/statistics/server/lib/UAParserCustom.js"
@@ -29,7 +41,7 @@ export const BASIC_AUTH_KEY = 'BASIC_AUTH_KEY';
 
 RocketChatSettings.customHeaders = headers;
 
-export default (url: string, options: { headers?: Headers; signal?: AbortSignal } = {}): Promise<Response> => {
+export default (url: string, options: IOptions = {}): Promise<Response> => {
 	let customOptions = { ...options, headers: RocketChatSettings.customHeaders };
 	if (options && options.headers) {
 		customOptions = { ...customOptions, headers: { ...options.headers, ...customOptions.headers } };
diff --git a/app/utils/fileUpload/index.ts b/app/utils/fileUpload/index.ts
index 1d2bdb312..bf23212c4 100644
--- a/app/utils/fileUpload/index.ts
+++ b/app/utils/fileUpload/index.ts
@@ -1,9 +1,8 @@
 import RNFetchBlob from 'rn-fetch-blob';
 
+import { TMethods } from '../fetch';
 import { IFileUpload } from './interfaces';
 
-type TMethods = 'POST' | 'GET' | 'DELETE' | 'PUT' | 'post' | 'get' | 'delete' | 'put';
-
 class FileUpload {
 	fetch = (method: TMethods, url: string, headers: { [key: string]: string }, data: IFileUpload[]) => {
 		const formData = data.map(item => {
diff --git a/app/views/ModalBlockView.tsx b/app/views/ModalBlockView.tsx
index cfb6d7a4b..5167663df 100644
--- a/app/views/ModalBlockView.tsx
+++ b/app/views/ModalBlockView.tsx
@@ -12,10 +12,10 @@ import * as HeaderButton from '../containers/HeaderButton';
 import { modalBlockWithContext } from '../containers/UIKit/MessageBlock';
 import RocketChat from '../lib/rocketchat';
 import ActivityIndicator from '../containers/ActivityIndicator';
-import { CONTAINER_TYPES, MODAL_ACTIONS } from '../lib/methods/actions';
 import { textParser } from '../containers/UIKit/utils';
 import Navigation from '../lib/Navigation';
 import { MasterDetailInsideStackParamList } from '../stacks/MasterDetailStack/types';
+import { ContainerTypes, ModalActions } from '../containers/UIKit/interfaces';
 
 const styles = StyleSheet.create({
 	container: {
@@ -161,8 +161,8 @@ class ModalBlockView extends React.Component<IModalBlockViewProps, IModalBlockVi
 		});
 	};
 
-	handleUpdate = ({ type, ...data }: { type: string }) => {
-		if ([MODAL_ACTIONS.ERRORS].includes(type)) {
+	handleUpdate = ({ type, ...data }: { type: ModalActions }) => {
+		if ([ModalActions.ERRORS].includes(type)) {
 			const { errors }: any = data;
 			this.setState({ errors });
 		} else {
@@ -232,7 +232,7 @@ class ModalBlockView extends React.Component<IModalBlockViewProps, IModalBlockVi
 		const { mid, appId, viewId } = data;
 		await RocketChat.triggerBlockAction({
 			container: {
-				type: CONTAINER_TYPES.VIEW,
+				type: ContainerTypes.VIEW,
 				id: viewId
 			},
 			actionId,
diff --git a/app/views/RoomView/index.tsx b/app/views/RoomView/index.tsx
index c87155a33..b8800783d 100644
--- a/app/views/RoomView/index.tsx
+++ b/app/views/RoomView/index.tsx
@@ -44,7 +44,6 @@ import {
 import { Review } from '../../utils/review';
 import RoomClass from '../../lib/methods/subscriptions/room';
 import { getUserSelector } from '../../selectors/login';
-import { CONTAINER_TYPES } from '../../lib/methods/actions';
 import Navigation from '../../lib/Navigation';
 import SafeAreaView from '../../containers/SafeAreaView';
 import { withDimensions } from '../../dimensions';
@@ -55,6 +54,7 @@ import Loading from '../../containers/Loading';
 import { goRoom, TGoRoomItem } from '../../utils/goRoom';
 import getThreadName from '../../lib/methods/getThreadName';
 import getRoomInfo from '../../lib/methods/getRoomInfo';
+import { ContainerTypes } from '../../containers/UIKit/interfaces';
 import RoomServices from './services';
 import LoadMore from './LoadMore';
 import Banner from './Banner';
@@ -1104,7 +1104,7 @@ class RoomView extends React.Component<IRoomViewProps, IRoomViewState> {
 			rid,
 			appId,
 			container: {
-				type: CONTAINER_TYPES.MESSAGE,
+				type: ContainerTypes.MESSAGE,
 				id: mid
 			}
 		});