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I have the following method
-(IBAction)back:(id)sender {
}
and would like to be able to know the sender id.
e.g. if there are multiple buttons linked to this method, I would like to know which button was pressed.
[sender tag]
I don’t know what you mean by “id” (the “sender” is an id, effectively an NSObject *), but you could use tags. You have to set the tag beforehand in Interface Builder or programmatically.