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# invoke

Sends the receiver’s message (with arguments) to its target and sets the return value.

```
- (void) invoke;
```

## Discussion

You must set the receiver’s target, selector, and argument values before calling this method.

## See Also

[`selector`](/documentation/Foundation/NSInvocation/selector)

The receiver’s selector, or 0 if it hasn’t been set.

[`-  setArgument:atIndex:`](/documentation/Foundation/NSInvocation/setArgument:atIndex:)

Sets an argument of the receiver.

[`-  getReturnValue:`](/documentation/Foundation/NSInvocation/getReturnValue:)

Gets the invocation’s return value.


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