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@@ -19,3 +19,46 @@ Install
 2. Unpack this archive to the `/wp-content/plugins/` directory
 3. Activate the plugin through the 'Plugins' menu in WordPress
 4. Use batch operations in your code
+
+Use
+---
+
+The plugin provides two functions for the programmer.
+
+### batch_operations_notice
+
+Function for output informational messages in admin-page the next time viewing 
+for the current user.
+
+```php
+batch_operations_notice( string  $message [, string  $type = 'info' ] )
+```
+
+*   `$message` - Informational message
+*   `$type` - Type of message. This parameter is responsible for the design of 
+     the message.  
+     There are four types of messages: 
+       *  `info` - Message with a blue border on the left
+       *  `success` - Message with a green border on the left
+       *  `warning` - Message with a yellow border on the left
+       *  `error` - Message with a red border on the left
+
+A screenshot of the results of functions:
+
+```php
+  batch_operations_notice( 'default' );
+  batch_operations_notice( 'info', 'info' );
+  batch_operations_notice( 'success', 'success' );
+  batch_operations_notice( 'warning', 'warning' );
+  batch_operations_notice( 'error', 'error' );
+```
+
+![](https://raw.githubusercontent.com/IgorVBelousov/batch_operations/dev/assets/screenshot-1.png)
+
+### batch_operations_start
+
+Function for starting run batch operations.
+
+```php
+batch_operations_start( array $batch_arr [, string $redirect = NULL ] ) 
+```