diff --git a/src/components/AlphabetList/index.tsx b/src/components/AlphabetList/index.tsx
index db068b0..b1d6fcb 100644
--- a/src/components/AlphabetList/index.tsx
+++ b/src/components/AlphabetList/index.tsx
@@ -9,7 +9,7 @@ import { styles } from "./styles";
 import { sizes } from "../../values/sizes";
 import { DEFAULT_CHAR_INDEX } from "../../values/consts"
 
-export const AlphabetList: React.FC<AlphabetListProps> = (props) => {
+export const AlphabetList: React.FC<AlphabetListProps<any>> = (props) => {
   const {
     data,
     index = DEFAULT_CHAR_INDEX,
@@ -30,7 +30,7 @@ export const AlphabetList: React.FC<AlphabetListProps> = (props) => {
   } = props
 
   const sectionListRef = useRef(null);
-  const [sectionData, setSectionData] = useState<ISectionData[]>([])
+  const [sectionData, setSectionData] = useState<ISectionData<any>[]>([])
 
   useEffect(() => {
     setSectionData(getSectionData(data, index, uncategorizedAtTop))
@@ -56,7 +56,7 @@ export const AlphabetList: React.FC<AlphabetListProps> = (props) => {
     listHeaderHeight,
   });
 
-  const onRenderSectionHeader = ({ section }: { section: SectionListData<IData> }) => {
+  const onRenderSectionHeader = ({ section }: { section: SectionListData<IData<any>> }) => {
     if (renderCustomSectionHeader) return renderCustomSectionHeader(section);
 
     return (
@@ -66,7 +66,7 @@ export const AlphabetList: React.FC<AlphabetListProps> = (props) => {
     );
   };
 
-  const onRenderItem = ({ item }: { item: IData }) => {
+  const onRenderItem = ({ item }: { item: IData<any> }) => {
     if (renderCustomItem) return renderCustomItem(item);
 
     return (
@@ -84,7 +84,7 @@ export const AlphabetList: React.FC<AlphabetListProps> = (props) => {
         testID="sectionList"
         ref={sectionListRef}
         sections={sectionData}
-        keyExtractor={(item: IData) => item.key}
+        keyExtractor={(item: IData<any>) => item.key}
         renderItem={onRenderItem}
         renderSectionHeader={onRenderSectionHeader}
         ListHeaderComponent={renderCustomListHeader}
diff --git a/src/components/AlphabetList/types.ts b/src/components/AlphabetList/types.ts
index 0193875..8ccd7a4 100644
--- a/src/components/AlphabetList/types.ts
+++ b/src/components/AlphabetList/types.ts
@@ -1,33 +1,33 @@
 import { SectionListData, SectionListProps, TextStyle, ViewStyle } from "react-native";
 
-export interface IData {
-  value: string;
+export interface IData<Type> {
+  value: Type;
   key: string;
 }
 
-export interface ISectionData {
+export interface ISectionData<Type> {
   title: string;
-  data: IData[];
+  data: IData<Type>[];
   index?: number;
 }
-export interface IIndexLetterProps {
-  item: ISectionData,
+export interface IIndexLetterProps<Type> {
+  item: ISectionData<Type>,
   index: number,
   onPress: () => void;
 }
 
-export interface AlphabetListProps extends Partial<SectionListProps<IData>> {
-  data: IData[];
+export interface AlphabetListProps<Type> extends Partial<SectionListProps<IData<Type>>> {
+  data: IData<Type>[];
   index?: string[],
   style?: ViewStyle;
   indexLetterStyle?: TextStyle,
   indexLetterContainerStyle?: ViewStyle,
   indexContainerStyle?: ViewStyle,
   letterListContainerStyle?: ViewStyle,
-  renderCustomItem?: (item: IData) => JSX.Element;
-  renderCustomSectionHeader?: (section: SectionListData<IData>) => JSX.Element;
+  renderCustomItem?: (item: IData<Type>) => JSX.Element;
+  renderCustomSectionHeader?: (section: SectionListData<IData<Type>>) => JSX.Element;
   renderCustomListHeader?: () => JSX.Element;
-  renderCustomIndexLetter?: ({ item, index, onPress }: IIndexLetterProps) => JSX.Element;
+  renderCustomIndexLetter?: ({ item, index, onPress }: IIndexLetterProps<Type>) => JSX.Element;
   getItemHeight?: (sectionIndex: number, rowIndex: number) => number;
   sectionHeaderHeight?: number;
   listHeaderHeight?: number;
diff --git a/src/components/ListLetterIndex/index.tsx b/src/components/ListLetterIndex/index.tsx
index 3658885..67a923a 100644
--- a/src/components/ListLetterIndex/index.tsx
+++ b/src/components/ListLetterIndex/index.tsx
@@ -4,7 +4,7 @@ import { ListLetterIndexProps } from "./types"
 import { styles } from "./styles";
 import { ISectionData } from "../AlphabetList/types";
 
-export const ListLetterIndex: React.FC<ListLetterIndexProps> = ({
+export const ListLetterIndex: React.FC<ListLetterIndexProps<any>> = ({
   sectionData,
   onPressLetter,
   indexContainerStyle,
@@ -13,7 +13,7 @@ export const ListLetterIndex: React.FC<ListLetterIndexProps> = ({
   renderCustomIndexLetter,
   letterListContainerStyle
 }) => {
-  const onRenderCustomIndexLetter = ({ item, index }: { item: ISectionData, index: number }) => {
+  const onRenderCustomIndexLetter = ({ item, index }: { item: ISectionData<any>, index: number }) => {
     const onPress = () => onPressLetter(index)
 
     if (renderCustomIndexLetter) {
diff --git a/src/components/ListLetterIndex/types.ts b/src/components/ListLetterIndex/types.ts
index 6ee78ce..0b7f686 100644
--- a/src/components/ListLetterIndex/types.ts
+++ b/src/components/ListLetterIndex/types.ts
@@ -1,11 +1,11 @@
 import { AlphabetListProps, ISectionData } from "../AlphabetList/types"
 
-export interface ListLetterIndexProps {
+export interface ListLetterIndexProps<Type> {
     onPressLetter: (sectionIndex: number) => void;
-    sectionData: ISectionData[];
-    indexContainerStyle?: AlphabetListProps["indexContainerStyle"],
-    indexLetterStyle?: AlphabetListProps["indexLetterStyle"],
-    indexLetterContainerStyle?: AlphabetListProps["indexLetterContainerStyle"],
-    renderCustomIndexLetter?: AlphabetListProps["renderCustomIndexLetter"],
-    letterListContainerStyle?: AlphabetListProps["letterListContainerStyle"]
+    sectionData: ISectionData<Type>[];
+    indexContainerStyle?: AlphabetListProps<Type>["indexContainerStyle"],
+    indexLetterStyle?: AlphabetListProps<Type>["indexLetterStyle"],
+    indexLetterContainerStyle?: AlphabetListProps<Type>["indexLetterContainerStyle"],
+    renderCustomIndexLetter?: AlphabetListProps<Type>["renderCustomIndexLetter"],
+    letterListContainerStyle?: AlphabetListProps<Type>["letterListContainerStyle"]
 }
diff --git a/src/utils/getSectionData.ts b/src/utils/getSectionData.ts
index 4dd289e..fedbf65 100644
--- a/src/utils/getSectionData.ts
+++ b/src/utils/getSectionData.ts
@@ -1,26 +1,26 @@
 import { ISectionData, IData } from "../components/AlphabetList/types";
 
 interface IAlphabetSet {
-  [key: string]: IData[];
+  [key: string]: IData<any>[];
 }
 
 interface IEntry {
   title: string;
-  data: IData[];
+  data: IData<any>[];
 }
 
 interface ILetterMap {
   [key: string]: number
 }
 
-export const getSectionData = (data: IData[], charIndex: string[], uncategorizedAtTop = false) => {
+export const getSectionData = (data: IData<any>[], charIndex: string[], uncategorizedAtTop = false) => {
   const validLettersMap = getValidLettersMap(charIndex)
-  const alphabetEntrySet: [string, IData[]][] = getAlphabetEntrySet(data, validLettersMap);
+  const alphabetEntrySet: [string, IData<any>[]][] = getAlphabetEntrySet(data, validLettersMap);
 
   return alphabetEntrySet
     .map(formatEntry)
     .sort((a, b) => sortSectionsByCharIndex(a, b, validLettersMap, uncategorizedAtTop))
-    .map((section: ISectionData, index: number) => ({ ...section, index }));
+    .map((section: ISectionData<any>, index: number) => ({ ...section, index }));
 };
 
 const getValidLettersMap = (letterMap: string[]) => {
@@ -33,7 +33,7 @@ const getValidLettersMap = (letterMap: string[]) => {
   return map
 }
 
-const getAlphabetEntrySet = (data: IData[], validLettersMap: ILetterMap) => {
+const getAlphabetEntrySet = (data: IData<any>[], validLettersMap: ILetterMap) => {
   const alphabetSet: IAlphabetSet = {}
 
   data.forEach((item) => {