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  4. sendData

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Parameters are refined by the selected printer.

sendData

Sends data to the peripheral device. Specifies the arbitrary function of the device control program side, and passes JSON data made from a set of the property name and value.

For details, refer to the TM-DT Series Peripheral Device Control Guide.

Syntax

 
 
- (int)sendData:(NSString *)methodName data:NSString *)data;

Parameter

methodName

Specifies the function name to be executed.

data

Specifies the parameter to be passed to the function in JSON string.

Return value

Error status

Description

EPOS2_SUCCESS

The function was executed successfully.

EPOS2_ERR_PARAM

An invalid parameter was passed.

EPOS2_ERR_CONNECT

Communication failed.

EPOS2_ERR_MEMORY

Sufficient memory required for processing could not be allocated.

EPOS2_ERR_FAILURE

An unknown error occurred.
 

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Epson ePOS SDK includes patented or patent pending functions. The contents must not be disclosed to third parties.


Epson ePOS SDK for iOS

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