diff --git a/assets/js/components/comments/utils.js b/assets/js/components/comments/utils.js
index 4d7098e5..318e67b9 100644
--- a/assets/js/components/comments/utils.js
+++ b/assets/js/components/comments/utils.js
@@ -6,6 +6,27 @@
 
 ComunicWeb.components.comments.utils = {
 
-	
+	/**
+	 * Get the IDs of the users who posted comments
+	 * 
+	 * @param {Object} infos Informations about the comments
+	 * @return {Object} List of users ID
+	 */
+	get_users_id: function(infos){
+
+		//Process the list of users
+		var users = [];
+
+		var i;
+		for(i in infos){
+
+			//If the user isn't already present in the list, add it
+			if(!users.includes(infos[i].userID))
+				users.push(infos[i].userID);
+
+		}
+
+		return users;
+	}
 
 }
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