@hisefilo no but you can do that with single samples :
HiseSnippet 1376.3ocuW01aaaCDlxILswsCnEX+.z7mbARMrSayKXXXIwwtKaMIFwoAcqaHfQhNlyTjBRzMwqnee+b2G122tiTVRt0IHyaqt.E438Beti28PpdI5.dZpNg3s5oSh4DuGR6OQYF1dHSnHGrOw6qnuLgoFKYFche223mxhhk7HVruTyBEpKI6MIlklxCIddK8RzMuUWlX+8Ge6dLISEvKVhPNSKB3uRDILEq1amePHkcYg7SEQkr946bPfV0VK0iAHtDsIIlELhcI+HFZVEJwakNgB.Z8MLCOk3s7d5vI8GpuR4r+LQp3BIGEZQ5CAxsbWsLDQLtJo8PgLr2zRQJAhRuhByRtByWROTDJxWun.8HqB+BOJWO7pLK7VZF30pL7ZVBdyARdkfD0AoGS6GjHhMEZP77.5AJCOY.CJ6kgxQii1cbnP2UHQjP87fBrK.jJ+YEZaM3lxzHhMh2MADxCS8MZ1bMe3+dxWWsJbdjZ7YXj7+F+NpKEJdifDNje6pBOgeoHEbKempiN474crDe2908Ms.esMZMtjarF221WkmJ0q4LEZ4ZUqXecceof2us166cxweem1mdd2ie09cN4CNcJny37VMth8tZqUcU3m+sY352UCel0veo.HRsAygo4Sddjmzkx515nKz6ouFy5okYvdX4XsBDpWK2BLWyEZjxAcBCOJs1Z90tEcY0kF+pVnpW6mU0dBh.gRBmN9CFqBLBsxGGkxbGgQhVVOXJFVCPpbL+IUee0UwjqANdaSF65OsEDvO.wbF.jEk1Lo7BXvr9mtAfWk19izF9wp51Mo5Gp5+wpFLXt5xhkjmLW0HmQxs4Xc03nK3IkSQzPXNe1oS5MOcVl7HvcDVxPs5.kvbbLWcSTJjrycbRNCUfoF6b7ixlimV6HhPbLNuTRrvtLsJ40GrOyvlFLHtvdEySLBLM71m+Nfi0QRrJced5HiN1Za1gMPadG25qy21c9oclTfgebmH10HKxRffsKj38Z57GfrSiUmut0uEc1YN3xgBhukOMC0GpCcWIUlGFu7ISAb7OC4GxkoRElIkqh+mQNeWg3io8DlfgyGiUlCFgC3+OvX1UZeAsyfA7.SA.Wl18Me9t+pJcJ8ocyeHsfx+Neyk2uSKF3iS3wrD9o5dR1j5tlnS.ful+ERcvn9hei+orDwNbsGZQ8fgLkhKSWDxjUtykpV29I0I5wF3gUGxLIBbFCx+9vCfB3syPGVCpfbJN4lnL1rzmqBsB+E7KSYq7BFnr0TkEzQji3lqzIirmQY+MjKtCjTaQ97A.QvY7jTri06dzlMf+Q1UJ0WgLJhrdY3jxtVOsbR7PsRDfK4rXJz2MROFoeb3+6XomxDRr42qxQ5Pn3P6xBfh3jdLyPbfA4ZgtSdRif7tzYvUQiBVMwfL84htZBr+QVFO7whKg5cYpa2bg6x7W3R9jsOg2nj5+Y6Fl6R90SopK0DWVhfzSg7qcw7Pg5LGcuUhccljK9jdrD34HvKrvXrRtDL5V3HEOgJ6JsEHioZUZOMvvfmVyXKoTfnyFnWLSfVGLt+H9UtxD9p3lM13YM2d8s2bisZt0Kd9lauocmtmipiLCDHyGuqPWeV.eO5VMalA4Gfe+gPgytjb62p4MGsaN6wqBcDr2Xxemhy8o8AlFV3+5vrO2LVw+3vTbS9rG2ynwxmhRvsEUbcwGjdFpMfImFQXHaOsdTDyNduPOZ3yBYTDKHQedfieESt6aWAFAT1uyaU5gnre9KgbkpH36tNOH.u15ovatluOqu.97rEvmmu.97hEvmMV.e1bA7Yqa0G7Sd2crQG4n9gE50w1b440Qwfq4rWbS9aXyNLF.However if your user is working in his DAW on a project and he uses one of his own samples, will the sample be 'saved' (I'm thinking of the sample path) into his project ? Otherwise he'll have to load the sample each time he loads his project.
You should probably implement something with the FileSystem API...
EDIT : this is the function with which you can load single embedded samples into the granulator