macOS New to Objective C - and wanting to access a sql server web service.

#define WcfServiceURL [NSURL URLWithString: @"http://api.silentpassenger.com/rest/v2/A0000015EA7F4E/vehiclenames?userid=238"]  //good

- (void)viewDidLoad
{
    [super viewDidLoad];

    NSURL *url = [NSURL                  URLWithString:@"http://api.silentpassenger.com/rest/v2/A0000015EA7F4E/vehiclenames?userid=238"];

    NSError *error = nil;
    NSData *data = [NSData dataWithContentsOfURL:WcfServiceURL options:NSDataReadingUncached error:&error];
    
    NSString *strData = [[NSString alloc]initWithData:data encoding:NSUTF8StringEncoding]; //good
    
    NSLog(@"%@",strData.uppercaseString); //good
}

<ARRAYOFTEXTVALUE XMLNS="HTTP://SCHEMAS.DATACONTRACT.ORG/2004/07/VTS.BUSINESS" XMLNS:I="HTTP://WWW.W3.ORG/2001/XMLSCHEMA-INSTANCE"><TEXTVALUE><TEXT>A. ROSS</TEXT><VALUE>17447</VALUE</TEXTVALUE><TEXTVALUE><TEXT>F-1</TEXT><VALUE>21784</VALUE></TEXTVALUE><TEXTVALUE><TEXT>H-1</TEXT><VALUE>2008</VALUE></TEXTVALUE><TEXTVALUE><TEXT>H-2</TEXT><VALUE>18435</VALUE></TEXTVALUE><TEXTVALUE><TEXT>H-3</TEXT><VALUE>18780</VALUE></TEXTVALUE><TEXTVALUE><TEXT>H-4</TEXT><VALUE>26550</VALUE></TEXTVALUE><TEXTVALUE><TEXT>H-5</TEXT><VALUE>26551</VALUE></TEXTVALUE><TEXTVALUE><TEXT>JEEP007</TEXT><VALUE>15776</VALUE</TEXTVALUE><TEXTVALUE><TEXT>PETE</TEXT><VALUE>28371</VALUE></TEXTVALUE><TEXTVALUE<TEXT>STEVE'S LT</TEXT<VALUE>2221</VALUE</TEXTVALUE>
<TEXTVALUE><TEXT>STEVE'S/DANNY JEEP</TEXT><VALUE>15905</VALUE></TEXTVALUE>
</ARRAYOFTEXTVALUE>