diff --git a/sam/channel.structs.go b/sam/channel.structs.go
index 54debacbf..c8a08b252 100644
--- a/sam/channel.structs.go
+++ b/sam/channel.structs.go
@@ -16,6 +16,7 @@ package sam
 */
 
 import (
+	"encoding/json"
 	"time"
 )
 
@@ -25,9 +26,10 @@ type (
 		ID            uint64
 		Name          string
 		Topic         string
-		LastMessageId uint64     `json:",omitempty"`
-		ArchivedAt    *time.Time `json:",omitempty"`
-		DeletedAt     *time.Time `json:",omitempty"`
+		Meta          json.RawMessage
+		LastMessageId uint64     `json:",omitempty" db:"rel_last_message"`
+		ArchivedAt    *time.Time `json:",omitempty" db:"archived_at"`
+		DeletedAt     *time.Time `json:",omitempty" db:"deleted_at"`
 
 		changed []string
 	}
@@ -72,6 +74,14 @@ func (c *Channel) SetTopic(value string) *Channel {
 	}
 	return c
 }
+func (c *Channel) GetMeta() json.RawMessage {
+	return c.Meta
+}
+
+func (c *Channel) SetMeta(value json.RawMessage) *Channel {
+	c.Meta = value
+	return c
+}
 func (c *Channel) GetLastMessageId() uint64 {
 	return c.LastMessageId
 }
diff --git a/sam/docs/src/spec.json b/sam/docs/src/spec.json
index 373c87825..362b9dc19 100644
--- a/sam/docs/src/spec.json
+++ b/sam/docs/src/spec.json
@@ -178,15 +178,17 @@
 			{
 				"name": "Channel",
 				"imports": [
-					"time"
+					"time",
+                    "encoding/json"
 				],
 				"fields": [
-					{ "type": "uint64", "name": "ID" },
-					{ "type": "string", "name": "Name" },
-					{ "type": "string", "name": "Topic" },
-					{ "type": "uint64", "name": "LastMessageId", "tag": "json:\",omitempty\"" },
-					{ "type": "*time.Time", "name": "ArchivedAt", "tag": "json:\",omitempty\"", "complex": true },
-					{ "type": "*time.Time", "name": "DeletedAt", "tag": "json:\",omitempty\"", "complex": true }
+					{ "type": "uint64",          "name": "ID" },
+					{ "type": "string",          "name": "Name" },
+					{ "type": "string",          "name": "Topic" },
+					{ "type": "json.RawMessage", "name": "Meta", "complex": true},
+					{ "type": "uint64",          "name": "LastMessageId", "tag": "json:\",omitempty\"", "dbname": "rel_last_message" },
+					{ "type": "*time.Time",      "name": "ArchivedAt",    "tag": "json:\",omitempty\" db:\"archived_at\"", "complex": true },
+					{ "type": "*time.Time",      "name": "DeletedAt",     "tag": "json:\",omitempty\" db:\"deleted_at\"", "complex": true }
 				]
 			}
 		],
diff --git a/sam/docs/src/spec/channel.json b/sam/docs/src/spec/channel.json
index 949338f0f..faac80310 100644
--- a/sam/docs/src/spec/channel.json
+++ b/sam/docs/src/spec/channel.json
@@ -19,6 +19,12 @@
           "type": "string"
         },
         {
+          "complex": true,
+          "name": "Meta",
+          "type": "json.RawMessage"
+        },
+        {
+          "dbname": "rel_last_message",
           "name": "LastMessageId",
           "tag": "json:\",omitempty\"",
           "type": "uint64"
@@ -26,18 +32,19 @@
         {
           "complex": true,
           "name": "ArchivedAt",
-          "tag": "json:\",omitempty\"",
+          "tag": "json:\",omitempty\" db:\"archived_at\"",
           "type": "*time.Time"
         },
         {
           "complex": true,
           "name": "DeletedAt",
-          "tag": "json:\",omitempty\"",
+          "tag": "json:\",omitempty\" db:\"deleted_at\"",
           "type": "*time.Time"
         }
       ],
       "imports": [
-        "time"
+        "time",
+        "encoding/json"
       ],
       "name": "Channel"
     }