Select a random user from group (ServiceNowDevProgram#884)

* Create script.js

* Create README.md

* Update README.md

Author: rene-el

UI Actions/Select Random User From Group/README.md

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+# Random User Assignment
+
+This function allows you to select a random user from a specified group. Use case could be on all task-like records that need to be worked on by someone and you want to select the person randomly.
+
+
+

UI Actions/Select Random User From Group/script.js

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+/**
+ * Get a random user from a specific user group
+ *
+ * @param {string} group - The sys_id of the group to select a user from
+ * @returns {string|null} - The sys_id of a randomly selected user from the specified group or null if no user is found
+ */
+
+function getRandomUserFromGroup(group) {
+
+    var users = [];
+
+    var grMember = new GlideRecord("sys_user_grmember");
+    grMember.addNotNullQuery("user");
+    grMember.addQuery("group", group);
+    grMember.query();
+
+    while (grMember.next()) {
+        users.push(grMember.getValue("user"));
+    }
+
+    if (users.length > 0) {
+        // Select a random user from the "users" array
+        return users[Math.floor(Math.random() * users.length)];
+    } else {
+        // Return null if no user is found in the specified group
+        return null;
+    }
+}