diff --git a/lib/postman-sandbox-fleet.js b/lib/postman-sandbox-fleet.js
index 6a2afc50..e67831d5 100644
--- a/lib/postman-sandbox-fleet.js
+++ b/lib/postman-sandbox-fleet.js
@@ -93,6 +93,38 @@ class PostmanSandboxFleet {
         this.connectOptions = connectOptions;
     }
 
+    /**
+     * Check if a template is registered with a given name
+     *
+     * @param {string} templateName -
+     * @returns {boolean}
+     */
+    isRegistered (templateName) {
+        return _.has(this.templateRegistry, templateName);
+    }
+
+    /**
+     * Register a new template
+     *
+     * @param {string} templateName -
+     * @param {template} template -
+     */
+    register (templateName, template) {
+        if (typeof templateName !== 'string') {
+            throw new TypeError('sandbox-fleet: template name must be a string');
+        }
+
+        if (typeof template !== 'string') {
+            throw new TypeError('sandbox-fleet: template must be a string');
+        }
+
+        if (this.isRegistered(templateName)) {
+            throw new Error(`sandbox-fleet: template already registered for name ${templateName}`);
+        }
+
+        this.templateRegistry[templateName] = template;
+    }
+
     /**
      * Returns sandbox instance for the given template name
      *
@@ -106,21 +138,21 @@ class PostmanSandboxFleet {
         }
 
         if (typeof templateName !== 'string') {
-            return callback(new TypeError('sandbox-fleet: template key must be a string'));
+            return callback(new TypeError('sandbox-fleet: template name must be a string'));
         }
 
         if (this.fleet.has(templateName)) {
             return callback(null, this.fleet.get(templateName));
         }
 
-        if (!_.has(this.templateRegistry, templateName)) {
-            return callback(new Error(`sandbox-fleet: template not found for key ${templateName}`));
+        if (!this.isRegistered(templateName)) {
+            return callback(new Error(`sandbox-fleet: template not found for name ${templateName}`));
         }
 
         const template = this.templateRegistry[templateName];
 
         if (typeof template !== 'string') {
-            return callback(new Error(`sandbox-fleet: invalid template for key ${templateName}`));
+            return callback(new Error(`sandbox-fleet: invalid template for name ${templateName}`));
         }
 
         new PostmanSandbox().initialize({