diff --git a/package.json b/package.json
index 6cc8753..9578297 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@gatewayapps/cradle-template-emitter",
-  "version": "0.4.0",
+  "version": "0.5.0",
   "description": "Cradle emitter for reading Handlebars based template files",
   "main": "./dist/index.js",
   "scripts": {
@@ -25,7 +25,7 @@
     "@gatewayapps/cradle": ">=0.4.0"
   },
   "devDependencies": {
-    "@gatewayapps/cradle": "^0.4.0",
+    "@gatewayapps/cradle": "^0.4.2",
     "@types/fs-extra": "^5.0.4",
     "@types/handlebars": "^4.0.40",
     "@types/node": "^10.9.4",
diff --git a/src/TemplateEmitter/TemplateEmitter.ts b/src/TemplateEmitter/TemplateEmitter.ts
index d312d17..aad2740 100644
--- a/src/TemplateEmitter/TemplateEmitter.ts
+++ b/src/TemplateEmitter/TemplateEmitter.ts
@@ -114,7 +114,7 @@ export class TemplateEmitter implements ICradleEmitter {
 
   public mapDefaultValues(typeName: string, defaultValue: any) {
     try {
-      if (!this.dataTypeMappings) {
+      if (!this.dataTypeMappings) { 
         return defaultValue
       }
       return this.dataTypeMappings.convertValue(typeName, defaultValue)
@@ -151,6 +151,32 @@ export class TemplateEmitter implements ICradleEmitter {
     handlebars.registerHelper('toLowerCase', (str) => {
       return str.toLowerCase()
     })
+    handlebars.registerHelper({
+      eq: function (v1, v2) {
+        return v1 === v2
+      },
+      ne: function (v1, v2) {
+        return v1 !== v2
+      },
+      lt: function (v1, v2) {
+        return v1 < v2
+      },
+      gt: function (v1, v2) {
+        return v1 > v2
+      },
+      lte: function (v1, v2) {
+        return v1 <= v2
+      },
+      gte: function (v1, v2) {
+        return v1 >= v2
+      },
+      and: function () {
+        return Array.prototype.slice.call(arguments).every(Boolean)
+      },
+      or: function () {
+        return Array.prototype.slice.call(arguments, 0, -1).some(Boolean)
+      }
+    })
 
     handlebars.registerHelper('getDistinctObjects', (context, options) => {
       const got: any = []
diff --git a/src/TemplateEmitter/mappings/sequelize-typescript/mapping.ts b/src/TemplateEmitter/mappings/sequelize-typescript/mapping.ts
new file mode 100644
index 0000000..0eaabab
--- /dev/null
+++ b/src/TemplateEmitter/mappings/sequelize-typescript/mapping.ts
@@ -0,0 +1,35 @@
+export const values = {
+    Boolean: {
+
+        type: 'boolean',
+    },
+    DateTime: {
+
+        type: 'Date',
+    },
+    Decimal: {
+
+        type: 'number'
+    },
+    Integer: {
+
+        type: 'number',
+    },
+    String: {
+
+        type: 'string',
+    }
+}
+
+export function convertValue(typeName: string, input: any): any {
+    switch (typeName) {
+        case 'DateTime': {
+            if (input === 'DateTimeNow') {
+                return 'Sequelize.NOW'
+            } else {
+                return `new Date('${(input as Date).toISOString()}')`
+            }
+        }
+        default: return input
+    }
+}