In this article, you will understand the definitions of various functions within our iOS SDK.

Functions	Definitions
`public init(clientID: String, clientSecret: String, authorizeUrl: URLConvertible, accessTokenUrl: URLConvertible? = nil, responseType: String, contentType: String? = nil, baseURL: String)`	Initializes the SDK. This function needs to be called first before the SDK usage to set up all the important parameters.
`open func authorize(withCallbackURL callbackURL: URLConvertible?, scope: String, state: String, parameters: Parameters = [:], headers: RMSOAuth.Headers? = nil, completionHandler completion: @escaping TokenCompletionHandler) -> RMSOAuthRequestHandle?`	The SDK function to authorize the user.
`open func authorize(withCallbackURL callbackURL: URLConvertible?, scope: String, state: String, parameters: Parameters = [:], headers: RMSOAuth.Headers? = nil, completionHandler completion: @escaping TokenCompletionHandler) -> RMSOAuthRequestHandle?`	Disables the debug logs into the logcat. Logging is disabled by default.
`open func getTerminalList( parameters: RMSOAuth.Parameters = [:], headers: RMSOAuth.Headers? = nil, completionHandler completion: RMSOAuthHTTPRequest.CompletionHandler?) -> RMSOAuthRequestHandle?`	The SDK function to list all the terminals.
`open func getTransactionList( parameters: RMSOAuth.Parameters = [:], headers: RMSOAuth.Headers? = nil, completionHandler completion: RMSOAuthHTTPRequest.CompletionHandler?) -> RMSOAuthRequestHandle?`	Lists all the transactions.
open func getTransactionListByType(transactionType: String, parameters: RMSOAuth.Parameters = [:], headers: RMSOAuth.Headers? = nil, completionHandler completion: RMSOAuthHTTPRequest.CompletionHandler?) -> RMSOAuthRequestHandle?	Filters all the transactions by type.
`open func getTransactionListByStage(transactionStage: String, parameters: RMSOAuth.Parameters = [:], headers: RMSOAuth.Headers? = nil, completionHandler completion: RMSOAuthHTTPRequest.CompletionHandler?) -> RMSOAuthRequestHandle?`	Filters all the transactions by stage.
`open func getTransactionListByStatus(transactionStatus: String, parameters: RMSOAuth.Parameters = [:], headers: RMSOAuth.Headers? = nil, completionHandler completion: RMSOAuthHTTPRequest.CompletionHandler?) -> RMSOAuthRequestHandle?`	Filters all the transactions by status.
`open func checkTransactionStatus(transactionId: String, parameters: RMSOAuth.Parameters = [:], headers: RMSOAuth.Headers? = nil, completionHandler completion: RMSOAuthHTTPRequest.CompletionHandler?) -> RMSOAuthRequestHandle?`	Retrieves the transaction details.
`open func setActiveTerminal(terminal: NSDictionary)`	Sets the active terminal among multiple terminals.
`open func setActiveTerminalById(terminalId: NSString)`	Sets the active terminals by the terminal ID.
`open func requestReportByType(type: String, parameters: RMSOAuth.Parameters = [:], headers: RMSOAuth.Headers? = nil, body: Data? = nil, completionHandler completion: RMSOAuthHTTPRequest.CompletionHandler?) -> RMSOAuthRequestHandle?`	Creates the report from the active terminal.
`open func cancelTransaction(transactionId: String, parameters: RMSOAuth.Parameters = [:], headers: RMSOAuth.Headers? = nil, completionHandler completion: RMSOAuthHTTPRequest.CompletionHandler?) -> RMSOAuthRequestHandle?`	Cancels the transactions.
`open func renewAccessToken(accessTokenUrl: URLConvertible?, withRefreshToken refreshToken: String, parameters: RMSOAuth.Parameters? = nil, headers: RMSOAuth.Headers? = nil, contentType: String? = nil, accessTokenBasicAuthentification: Bool = false, completionHandler completion: @escaping RMSOAuth.TokenCompletionHandler) -> RMSOAuthRequestHandle?`	Refreshes the token

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