AmiBroker: How can I add an index to a chart?

[alexonline]

Can some knowledgeable person please tell me how can I add an index to a chart. I tped s&p500 but I can't get it. I then typed spx, but still no success. please guide me,

kind regards JoshuaJ

 

[trash]

Can some knowledgeable person please tell me how can I add an index to a chart. I tped s&p500 but I can't get it. I then typed spx, but still no success. please guide me,

kind regards JoshuaJ

Which data vendor are you talking about?