diff --git a/index.ts b/index.ts
index 527fdbc..c5a60fa 100644
--- a/index.ts
+++ b/index.ts
@@ -1 +1,7 @@
-export { createPass, Pass } from "./src/factory";
+import { Pass } from "./src/pass";
+import { AbstractModel } from "./src/abstract";
+
+export { createPass } from "./src/factory";
+export { createAbstractModel } from "./src/abstract";
+export type Pass = InstanceType<typeof Pass>
+export type AbstractModel = InstanceType<typeof AbstractModel>
diff --git a/src/messages.ts b/src/messages.ts
index df7b43b..e05d175 100644
--- a/src/messages.ts
+++ b/src/messages.ts
@@ -3,8 +3,8 @@ interface MessageGroup {
 }
 
 const errors: MessageGroup = {
-	CP_INIT_ERROR: "Something went really bad in the initialization, dude! Please look at the log below this message. It should contain all the infos about the problem: \n%s",
-	CP_NO_OPTS: "Cannot initialize the pass creation: no options were passed.",
+	CP_INIT_ERROR: "Something went really bad in the %s initialization! Look at the log below this message. It should contain all the infos about the problem: \n%s",
+	CP_NO_OPTS: "Cannot initialize the pass or abstract model creation: no options were passed.",
 	CP_NO_CERTS: "Cannot initialize the pass creation: no valid certificates were passed.",
 	PASSFILE_VALIDATION_FAILED: "Validation of pass type failed. Pass file is not a valid buffer or (more probably) does not respect the schema.\nRefer to https://apple.co/2Nvshvn to build a correct pass.",
 	REQUIR_VALID_FAILED: "The options passed to Pass constructor does not meet the requirements.\nRefer to the documentation to compile them correctly.",
diff --git a/src/schema.ts b/src/schema.ts
index f9ca5fb..fd1d6a1 100644
--- a/src/schema.ts
+++ b/src/schema.ts
@@ -15,7 +15,7 @@ export interface Certificates {
 export interface FactoryOptions {
 	model: BundleUnit | string;
 	certificates: Certificates;
-	overrides?: Object;
+	overrides?: OverridesSupportedOptions;
 }
 
 export interface BundleUnit {