This is part of the Fake.Installer.Wix module.

CustomActionReturn

Used in CustomAction for determing the return type

Union Cases

Union CaseDescription
AsyncNoWait
Signature:

Indicates that the custom action will run asyncronously and execution may continue after the installer terminates.

AsyncWait
Signature:

Indicates that the custom action will run asynchronously but the installer will wait for the return code at sequence end.

Check
Signature:

Indicates that the custom action will run synchronously and the return code will be checked for success. This is the default.

Ignore
Signature:

Indicates that the custom action will run synchronously and the return code will not be checked.