grantDeleteProcess.js

import("Context_lib");
import("ActivityTask_lib");
import("Document_lib");
import("system.vars");
import("system.result");
import("system.neon");

if (vars.get("$sys.viewmode") == neon.FRAME_VIEWMODE_DATASET)
    result.string(!DocumentUtil.hasDocuments("PRODUCT", null, vars.get("$field.PRODUCTID"))
        && !ActivityUtils.hasActivities(vars.get("$field.PRODUCTID"), ContextUtils.getCurrentContextId()));