diff --git a/server.js b/server.js
index 398546e..cab8033 100644
--- a/server.js
+++ b/server.js
@@ -52,13 +52,22 @@ server.get("/source", function (inReq, inRes)
     Postgres.FirstRow(sql,[], inRes);
 });
 //returns message about status and error description
+server.post("/sourc_single", bodyParser.json(), function (inReq, inRes)// remove body parsing, just pass post body to the sql string build
+{
+    for (var i =0; i < x.length; i++) {
+        var sql = "SELECT x.message FROM tps.srce_set($1::jsonb) as x(message)";
+    }
+    Postgres.FirstRow(sql,inReq.body, inRes);
+});
 server.post("/source", bodyParser.json(), function (inReq, inRes)// remove body parsing, just pass post body to the sql string build
 {
     x = inReq.body;
-    for (var i =0; i < x.length; i++) {
-        var sql = "SELECT x.message FROM tps.srce_set($1::jsonb) as x(message)";
-        Postgres.FirstRow(sql,[JSON.stringify(x[i])], inRes);
-    }
+    var sql =   "SELECT\
+                    jsonb_agg(x.message) message\
+                FROM\
+                    jsonb_array_elements($1::jsonb) d(def)\
+                    JOIN LATERAL tps.srce_set(d.def) x(message) ON TRUE";
+    Postgres.FirstRow(sql,[JSON.stringify(x[i])], inRes);
 });
 
 //----------------------------------------------------------regex instrUctions-------------------------------------------------------------------------------------------------------------------------