Err variable

It is used to assign an error code returned by a function or a method. Also, it is automatically loaded when using the Error_Handler rule, Error_Handler command, or New command.

Data Type:
Numeric(3)

You can use this standard variable to assign to it the result returned by a function or a method.
In addition, it is automatically loaded when using the Error_Handler rule, Error_Handler command, or New command.

The Login method returns an error code, so you can call it as follows:

&Err = &DataType.Login()

The Delete method returns an error code, so you can call it as follows:

&Err = &DataType.Delete()