API/Queries/Attributes.md

@@ -11,7 +11,7 @@ The IronAPI supports these options:
 - [(+)select](#select-and-as)
 - [(+)as](#select-and-as)
 - [order_by](#ordering)
-- group_by
+- [group_by](#group-by)
 - collapse
 - having
 
@@ -267,6 +267,19 @@ Use another function:
 }
 ```
 
+### json
+
+`POST /data/extensions/client_meta_data/query`
+
+```json
+{
+  "attrs" : {
+    "select" : "settings->>'login_name'",
+    "as" : "login_name"
+  }
+}
+```
+
 "+select" and "+as" are also available.
 
 <https://metacpan.org/pod/distribution/DBIx-Class/lib/DBIx/Class/ResultSet.pm#select>
@@ -379,6 +392,9 @@ A column defined by select and as:
 }
 ```
 
+# Group By
+
+
 # Collapse
 
 When "collape" is set to a true value, indicates that any rows fetched from joined has_many relationships
@@ -482,7 +498,7 @@ https://metacpan.org/pod/distribution/DBIx-Class/lib/DBIx/Class/ResultSet.pm#col
 # Permitted Column Names
 
 Wherever a column is defined, it may be a simple name if it's unique e.g. `id`, or with the entity prefix `me.id`.
-For json columns, a selector may be defined: `data->>'ident'` or `me.data->>'ident'.
+For json(b) columns, a selector may be defined: `data->>'ident'` or `me.data->>'ident'.
 
 # Permitted functions