--- title: invokeWithLayer description: invokeWithLayer parameters, return type and example --- ## Method: invokeWithLayer [Back to methods index](index.md) ### Parameters: | Name | Type | Required | |----------|---------------|----------| |layer|[int](../types/int.md) | Yes| |query|[!X](../types/!X.md) | Yes| ### Return type: [X](../types/X.md) ### Can bots use this method: **YES** ### Errors this method can return: | Error | Description | |----------|---------------| |AUTH_BYTES_INVALID|The provided authorization is invalid| |CDN_METHOD_INVALID|You can't call this method in a CDN DC| |CONNECTION_API_ID_INVALID|The provided API id is invalid| |CONNECTION_DEVICE_MODEL_EMPTY|Device model empty| |CONNECTION_LANG_PACK_INVALID|Language pack invalid| |CONNECTION_NOT_INITED|Connection not initialized| |CONNECTION_SYSTEM_EMPTY|Connection system empty| |INPUT_LAYER_INVALID|The provided layer is invalid| |INVITE_HASH_EXPIRED|The invite link has expired| |NEED_MEMBER_INVALID|The provided member is invalid| |CHAT_WRITE_FORBIDDEN|You can't write in this chat| ### Example: ``` $MadelineProto = new \danog\MadelineProto\API(); $MadelineProto->session = 'mySession.madeline'; if (isset($token)) { // Login as a bot $MadelineProto->bot_login($token); } if (isset($number)) { // Login as a user $MadelineProto->phone_login($number); $code = readline('Enter the code you received: '); // Or do this in two separate steps in an HTTP API $MadelineProto->complete_phone_login($code); } $X = $MadelineProto->invokeWithLayer(['layer' => int, 'query' => !X, ]); ``` Or, if you're using the [PWRTelegram HTTP API](https://pwrtelegram.xyz): ### As a bot: POST/GET to `https://api.pwrtelegram.xyz/botTOKEN/madeline` Parameters: * method - invokeWithLayer * params - `{"layer": int, "query": !X, }` ### As a user: POST/GET to `https://api.pwrtelegram.xyz/userTOKEN/invokeWithLayer` Parameters: layer - Json encoded int query - Json encoded !X Or, if you're into Lua: ``` X = invokeWithLayer({layer=int, query=!X, }) ```