1. A computer-implemented method for establishing an external agent interface on an external agent interface platform, the method comprising: defining, on an executing platform, a prepared element hierarchy on an executing platform as a function of at least an execution state of the executing platform; transforming, on an executing platform, the defined prepared element hierarchy into an external agent interface element hierarchy as a function of at least the execution state; and exporting, from the executing platform, the external agent interface element hierarchy to an external agent interface platform.