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thenCombineAsync (Future method)
Last update:
May 18, 2026
Waits for this Future and another Future, then runs your function with both results on the async executor.
Description
thenCombineAsync coordinates two independent async operations. When both complete normally, the combiner function receives both values and returns a single new value wrapped in a new Future.
Returns
A new Future.
Category
Asynchronous programming
Function syntax
future.thenCombineAsync(other, function)Parameters
| Parameter | Description |
|---|---|
| other | Required. The other Future to wait for. |
| function | Required. A function with two parameters (this result, other result) that returns the combined value. |
See also
thenCombine
Example
Add two async values (from product tests).
<cfscript>
f1 = runAsync(function() { return 10; });
f2 = runAsync(function() { return 20; });
combined = f1.thenCombineAsync(f2, function(x, y) { return x + y;});
writeOutput(combined.get()); // 30
</cfscript>
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