diff --git a/sample_discovercard/definition.md b/sample_discovercard/definition.md
index d41fbf0..2a14112 100644
--- a/sample_discovercard/definition.md
+++ b/sample_discovercard/definition.md
@@ -1,4 +1,59 @@
-setup source definition
+
+sample data
+------------------------------------
+
+
+| Trans. Date | Post Date | Description                                    | Amount | Category             |
+| ----------- | --------- | ---------------------------------------------- | ------ | -------------------- |
+| 1/2/2018    | 1/2/2018  | GOOGLE *YOUTUBE VIDEOS G.CO/HELPPAY#CAP0H07TXV | 4.26   | Services             |
+| 1/2/2018    | 1/2/2018  | MICROSOFT *ONEDRIVE 800-642-7676 WA            | 4.26   | Services             |
+| 1/3/2018    | 1/3/2018  | CLE CLINIC PT PMTS 216-445-6249 OHAK2C57F2F0B3 | 200    | Medical Services     |
+| 1/4/2018    | 1/4/2018  | AT&T *PAYMENT 800-288-2020 TX                  | 57.14  | Services             |
+| 1/4/2018    | 1/7/2018  | WWW.KOHLS.COM #0873 MIDDLETOWN OH              | -7.9   | Payments and Credits |
+| 1/5/2018    | 1/7/2018  | PIZZA HUT 007946 STOW OH                       | 9.24   | Restaurants          |
+| 1/5/2018    | 1/7/2018  | SUBWAY 00044289255 STOW OH                     | 10.25  | Restaurants          |
+| 1/6/2018    | 1/7/2018  | ACME NO. 17 STOW OH                            | 103.98 | Supermarkets         |
+| 1/6/2018    | 1/7/2018  | DISCOUNT DRUG MART 32 STOW OH                  | 1.69   | Merchandise          |
+| 1/6/2018    | 1/7/2018  | DISCOUNT DRUG MART 32 STOW OH                  | 2.19   | Merchandise          |
+| 1/9/2018    | 1/9/2018  | CIRCLE K 05416 STOW OH00947R                   | 3.94   | Gasoline             |
+| 1/9/2018    | 1/9/2018  | CIRCLE K 05416 STOW OH00915R                   | 52.99  | Gasoline             |
+
+
+screen
+------------------------------------
+
+```
+     +---------------+
+Name:|DCARD          |
+     +---------------+
+     +---------------+
+Desc:|Discover Card  |
+     +---------------+
+
+     Col Name              Data Type              Unique Constraint Flag
++-----------------------------------------------------------------------+
+
+    +-----------------+   +-------------------+  +---+
+    |Trans. Date      |   |date            |\/|  | X |
+    +-----------------+   +-------------------+  +---+
+    +-----------------+   +-------------------+  +---+
+    |Post Date        |   |date            |\/|  | X |
+    +-----------------+   +-------------------+  +---+
+    +-----------------+   +-------------------+  +---+
+    |Description      |   |text            |\/|  | X |
+    +-----------------+   +-------------------+  +---+
+    +-----------------+   +-------------------+  +---+
+    |Amount           |   |numeric         |\/|  |   |
+    +-----------------+   +-------------------+  +---+
+    +-----------------+   +-------------------+  +---+
+    |Category         |   |text            |\/|  |   |
+    +-----------------+   +-------------------+  +---+
+
+    Somehow be able to add more
+```
+
+
+screen builds json
 --------------------------------------
 
     {
@@ -36,21 +91,13 @@ setup source definition
         }
     }
 
-sample data
-------------------------------------
+backend handles SQL
+-----------------------------------
 
+`sql = "SELECT tps.srce_set(_name, _json)"`
 
-| Trans. Date | Post Date | Description                                    | Amount | Category             |
-| ----------- | --------- | ---------------------------------------------- | ------ | -------------------- |
-| 1/2/2018    | 1/2/2018  | GOOGLE *YOUTUBE VIDEOS G.CO/HELPPAY#CAP0H07TXV | 4.26   | Services             |
-| 1/2/2018    | 1/2/2018  | MICROSOFT *ONEDRIVE 800-642-7676 WA            | 4.26   | Services             |
-| 1/3/2018    | 1/3/2018  | CLE CLINIC PT PMTS 216-445-6249 OHAK2C57F2F0B3 | 200    | Medical Services     |
-| 1/4/2018    | 1/4/2018  | AT&T *PAYMENT 800-288-2020 TX                  | 57.14  | Services             |
-| 1/4/2018    | 1/7/2018  | WWW.KOHLS.COM #0873 MIDDLETOWN OH              | -7.9   | Payments and Credits |
-| 1/5/2018    | 1/7/2018  | PIZZA HUT 007946 STOW OH                       | 9.24   | Restaurants          |
-| 1/5/2018    | 1/7/2018  | SUBWAY 00044289255 STOW OH                     | 10.25  | Restaurants          |
-| 1/6/2018    | 1/7/2018  | ACME NO. 17 STOW OH                            | 103.98 | Supermarkets         |
-| 1/6/2018    | 1/7/2018  | DISCOUNT DRUG MART 32 STOW OH                  | 1.69   | Merchandise          |
-| 1/6/2018    | 1/7/2018  | DISCOUNT DRUG MART 32 STOW OH                  | 2.19   | Merchandise          |
-| 1/9/2018    | 1/9/2018  | CIRCLE K 05416 STOW OH00947R                   | 3.94   | Gasoline             |
-| 1/9/2018    | 1/9/2018  | CIRCLE K 05416 STOW OH00915R                   | 52.99  | Gasoline             |
+`json_return_value = connection.execute(sql)`
+
+handle json_return_value
+* insert: notify and clear? update list of sources on screen?
+* could not insert: print reason from json
\ No newline at end of file