diff --git a/app/schema/org.jdc.template.model.db.main.MainDatabase/4.json b/app/schema/org.jdc.template.model.db.main.MainDatabase/4.json
new file mode 100644
index 00000000..92bb411d
--- /dev/null
+++ b/app/schema/org.jdc.template.model.db.main.MainDatabase/4.json
@@ -0,0 +1,249 @@
+{
+  "formatVersion": 1,
+  "database": {
+    "version": 4,
+    "identityHash": "f2fc9fae8b7cdb7f5adff5c086bcfc11",
+    "entities": [
+      {
+        "tableName": "Individual",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` TEXT NOT NULL, `householdId` TEXT, `individualType` TEXT NOT NULL, `firstName` TEXT, `lastName` TEXT, `birthDate` TEXT, `alarmTime` TEXT, `phone` TEXT, `email` TEXT, `available` INTEGER NOT NULL, `created` TEXT NOT NULL, `lastModified` TEXT NOT NULL, PRIMARY KEY(`id`))",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "householdId",
+            "columnName": "householdId",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "individualType",
+            "columnName": "individualType",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "firstName",
+            "columnName": "firstName",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "lastName",
+            "columnName": "lastName",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "birthDate",
+            "columnName": "birthDate",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "alarmTime",
+            "columnName": "alarmTime",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "phone",
+            "columnName": "phone",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "email",
+            "columnName": "email",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "available",
+            "columnName": "available",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "created",
+            "columnName": "created",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lastModified",
+            "columnName": "lastModified",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "autoGenerate": false,
+          "columnNames": [
+            "id"
+          ]
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Household",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` TEXT NOT NULL, `name` TEXT NOT NULL, `created` TEXT NOT NULL, `lastModified` TEXT NOT NULL, PRIMARY KEY(`id`))",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "created",
+            "columnName": "created",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lastModified",
+            "columnName": "lastModified",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "autoGenerate": false,
+          "columnNames": [
+            "id"
+          ]
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "ChatThread",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` TEXT NOT NULL, `name` TEXT NOT NULL, `ownerIndividualId` TEXT NOT NULL, `createdDate` TEXT NOT NULL, `lastModified` TEXT NOT NULL, PRIMARY KEY(`id`))",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "ownerIndividualId",
+            "columnName": "ownerIndividualId",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "createdDate",
+            "columnName": "createdDate",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lastModified",
+            "columnName": "lastModified",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "autoGenerate": false,
+          "columnNames": [
+            "id"
+          ]
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "ChatMessage",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` TEXT NOT NULL, `chatThreadId` TEXT NOT NULL, `individualId` TEXT NOT NULL, `message` TEXT NOT NULL, `createdDate` TEXT NOT NULL, `lastModified` TEXT NOT NULL, PRIMARY KEY(`id`), FOREIGN KEY(`chatThreadId`) REFERENCES `ChatThread`(`id`) ON UPDATE NO ACTION ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "chatThreadId",
+            "columnName": "chatThreadId",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "individualId",
+            "columnName": "individualId",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "message",
+            "columnName": "message",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "createdDate",
+            "columnName": "createdDate",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lastModified",
+            "columnName": "lastModified",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "autoGenerate": false,
+          "columnNames": [
+            "id"
+          ]
+        },
+        "indices": [],
+        "foreignKeys": [
+          {
+            "table": "ChatThread",
+            "onDelete": "CASCADE",
+            "onUpdate": "NO ACTION",
+            "columns": [
+              "chatThreadId"
+            ],
+            "referencedColumns": [
+              "id"
+            ]
+          }
+        ]
+      }
+    ],
+    "views": [
+      {
+        "viewName": "DirectoryItem",
+        "createSql": "CREATE VIEW `${VIEW_NAME}` AS SELECT id AS individualId, lastName, firstName FROM Individual"
+      }
+    ],
+    "setupQueries": [
+      "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, 'f2fc9fae8b7cdb7f5adff5c086bcfc11')"
+    ]
+  }
+}
\ No newline at end of file