diff --git a/index.d.ts b/index.d.ts
new file mode 100644
index 0000000..d7300ea
--- /dev/null
+++ b/index.d.ts
@@ -0,0 +1,70 @@
+declare module 'react-native-materialui-textfield' {
+    import { PureComponent, ReactNode } from 'react'
+    import { TextInputProps, TextStyle, StyleProp, ViewStyle } from 'react-native'
+  
+    enum LineType {
+      solid,
+      dotted,
+      dashed,
+      none
+    }
+  
+    interface LinePropTypes {
+      type: LineType
+      width: number
+      color: string
+    }
+  
+    interface MaterialTextFieldPropTypes extends TextInputProps {
+      animationDuration?: number;
+  
+      fontSize?: number;
+      titleFontSize?: number;
+      labelFontSize?: number;
+      labelHeight?: number;
+      labelPadding?: number;
+      inputContainerPadding?: number;
+  
+      labelTextStyle?: TextStyle;
+      titleTextStyle?: TextStyle;
+      affixTextStyle?: TextStyle;
+  
+      tintColor?: string;
+      textColor?: string;
+      baseColor?: string;
+  
+      label: string;
+      title?: string;
+  
+      characterRestriction?: number;
+  
+      error?: string;
+      errorColor?: string;
+  
+      lineWidth?: number;
+      activeLineWidth?: number;
+  
+      disabled?: boolean;
+      disabledLineType?: LineType;
+      disabledLineWidth?: number;
+  
+      renderAccessory?: () => ReactNode;
+  
+      prefix?: string;
+      suffix?: string;
+  
+      containerStyle?: StyleProp<ViewStyle>;
+      inputContainerStyle?: StyleProp<ViewStyle>;
+  
+      helpersNumberOfLines?: number;
+    }
+  
+    export class TextField extends PureComponent<MaterialTextFieldPropTypes> {
+      focus(): void;
+      blur(): void;
+      clear(): void;
+      value(): string;
+      isFocused(): boolean;
+      isRestricted(): boolean;
+    }
+  }
\ No newline at end of file
diff --git a/package.json b/package.json
index 3d74d9f..0445127 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-native-materialui-textfield",
-  "version": "0.13.2",
+  "version": "0.13.3",
   "license": "BSD-3-Clause",
   "author": "Alexander Nazarov <n4kz@n4kz.com>",
   "contributors": [