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Name of JavaScript function to call when the item upload fails. It receives the JSON webroutine response as argument.
Default value
Blanks – No callback function will be called
Valid values
The name of the JavaScript function to call (single quoted string). The function should take a JSON webroutine object as a parameter.
Example:
function failCB(wr) {
var msgs = wr.messages();
msgs.each(function(m) {
alert("Message: " + m);
});
}