diff --git a/packages/extension-form/src/internal/guards.ts b/packages/extension-form/src/internal/guards.ts
index 73fd7c5..a851436 100644
--- a/packages/extension-form/src/internal/guards.ts
+++ b/packages/extension-form/src/internal/guards.ts
@@ -1,14 +1,37 @@
-import { Array, Predicate, Record, Schema } from "effect"
+import { Array, Predicate, Record, Schema, Tuple } from "effect"
 
 
-export const isStruct = (u: unknown): u is Schema.Struct<any> => (
+export const isTupleSchema = (u: unknown): u is Schema.Tuple<any> => (
+    Schema.isSchema(u) &&
+    Predicate.hasProperty(u, "elements") && Array.isArray(u.elements) &&
+    Predicate.hasProperty(u, "rest") && Array.isArray(u.rest)
+)
+
+export const isArraySchema = (u: unknown): u is Schema.Array$<any> => (
+    Schema.isSchema(u) &&
+    Predicate.hasProperty(u, "elements") && Array.isArray(u.elements) && Array.isEmptyArray(u.elements) &&
+    Predicate.hasProperty(u, "rest") && Array.isArray(u.rest) && Tuple.isTupleOf(u.rest, 1) &&
+    Predicate.hasProperty(u, "value")
+)
+
+export const isStructSchema = (u: unknown): u is Schema.Struct<any> => (
     Schema.isSchema(u) &&
     Predicate.hasProperty(u, "fields") && Predicate.isObject(u.fields) &&
-    Predicate.hasProperty(u, "record") && Array.isArray(u.record) && Array.isEmptyArray(u.record)
+    Predicate.hasProperty(u, "records") && Array.isArray(u.records) && Array.isEmptyArray(u.records)
 )
 
-export const isRecord = (u: unknown): u is Schema.Record$<any, any> => (
+export const isRecordSchema = (u: unknown): u is Schema.Record$<any, any> => (
     Schema.isSchema(u) &&
     Predicate.hasProperty(u, "fields") && Predicate.isObject(u.fields) && Record.isEmptyRecord(u.fields) &&
-    Predicate.hasProperty(u, "record") && Array.isArray(u.record)
+    Predicate.hasProperty(u, "records") && Array.isArray(u.records) &&
+    Predicate.hasProperty(u, "key") &&
+    Predicate.hasProperty(u, "value")
 )
+
+
+const myTuple = Schema.Tuple(Schema.String)
+const myArray = Schema.Array(Schema.String)
+const myStruct = Schema.Struct({})
+const myRecord = Schema.Record({ key: Schema.String, value: Schema.String })
+
+console.log(isArraySchema(myTuple))