Function set_tdlib_parameters 

pub async fn set_tdlib_parameters(
    use_test_dc: bool,
    database_directory: String,
    files_directory: String,
    database_encryption_key: String,
    use_file_database: bool,
    use_chat_info_database: bool,
    use_message_database: bool,
    use_secret_chats: bool,
    api_id: i32,
    api_hash: String,
    system_language_code: String,
    device_model: String,
    system_version: String,
    application_version: String,
    client_id: i32,
) -> Result<(), Error>

Sets the parameters for TDLib initialization. Works only when the current authorization state is authorizationStateWaitTdlibParameters

Arguments

• use_test_dc - Pass true to use Telegram test environment instead of the production environment
• database_directory - The path to the directory for the persistent database; if empty, the current working directory will be used
• files_directory - The path to the directory for storing files; if empty, database_directory will be used
• database_encryption_key - Encryption key for the database. If the encryption key is invalid, then an error with code 401 will be returned
• use_file_database - Pass true to keep information about downloaded and uploaded files between application restarts
• use_chat_info_database - Pass true to keep cache of users, basic groups, supergroups, channels and secret chats between restarts. Implies use_file_database
• use_message_database - Pass true to keep cache of chats and messages between restarts. Implies use_chat_info_database
• use_secret_chats - Pass true to enable support for secret chats
• api_id - Application identifier for Telegram API access, which can be obtained at https:my.telegram.org
• api_hash - Application identifier hash for Telegram API access, which can be obtained at https:my.telegram.org
• system_language_code - IETF language tag of the user’s operating system language; must be non-empty
• device_model - Model of the device the application is being run on; must be non-empty
• system_version - Version of the operating system the application is being run on. If empty, the version is automatically detected by TDLib
• application_version - Application version; must be non-empty
• client_id - The client id to send the request to