Crestron SIMPL+ - Compiler Error 1502: Incomplete Number of Arguments; Compiler Error 1503: Input or Output Signal Expected

Crestron SIMPL+
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Software
Language Reference Guide - DOC. 5797G SIMPL+
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z 321
Compiler Error 1502
function argument error: Function contains incomplete
number of arguments
Function call contains an
unmatched number of
arguments
When calling a functions that contain parameter lists, the number of arguments
passed to the function must match the number of parameters defined for that function.
The following are examples of this error:
FUNCTION MyFunc( INTEGER x, STRING str )
{
Call MyFunc( 1, “abc” ); // ok
Call MyFunc(); // error – 2 arguments are expected
Call MyFunc( 1 ); // error – argument 2 is missing
}
Compiler Error 1503
function argument error: Input or Output signal expected:
'<identifier>'
The expected identifier must be of an Input or Output signal datatype (i.e.:
DIGITAL_INPUT, ANALOG_OUTPUT, STRING_INPUT, etc.).
The following are examples of this error:
DIGITAL_INPUT digIn, digInArr[10];
DIGITAL_INPUT digIn;
ANALOG_INPUT anlgIn;
ANALOG_OUTPUT anlgOut;
STRING_INPUT strIn[100];
STRING_OUTPUT strOut;
BUFFER_INPUT buffIn[100];
INTEGER i;
STRING str[100];
FUNCTION MyFunc()
{
i = IsSignalDefined( digIn ); // ok
i = IsSignalDefined( digInArr[5] ); // ok
i = IsSignalDefined( digOut ); // ok
i = IsSignalDefined( anlgIn ); // ok
i = IsSignalDefined( anlgOut ); // ok
i = IsSignalDefined( strIn ); // ok
i = IsSignalDefined( strOut ); // ok
i = IsSignalDefined( buffIn ); // ok
digOut = IsSignalDefined( i ); // error – ‘i’ is not
an Input