diff --git a/package.json b/package.json
index 34fb049..640ee9d 100644
--- a/package.json
+++ b/package.json
@@ -32,8 +32,8 @@
 	"devDependencies": {
 		"@directus/api": "latest",
 		"@directus/extensions-sdk": "latest",
-		"prettier": "^3.3.1",
-		"vite": "^5.2.12",
+		"prettier": "^3.3.3",
+		"vite": "^5.3.4",
 		"vite-plugin-dts": "^3.9.1"
 	}
 }
diff --git a/src/hooks/index.ts b/src/hooks/index.ts
new file mode 100644
index 0000000..e04da25
--- /dev/null
+++ b/src/hooks/index.ts
@@ -0,0 +1,15 @@
+import type {
+	ActionHandler,
+	FilterHandler,
+	EventContext
+} from '@directus/types'
+
+import type { TFilterHandlerMeta, TActionHandlerMeta } from './types'
+
+export const defineFilterHandler = <T = unknown>(
+	fn: (payload: T, meta: TFilterHandlerMeta, context: EventContext) => void
+) => fn as FilterHandler<T>
+
+export const defineActionHandler = <T = unknown>(
+	fn: (meta: TActionHandlerMeta<T>, context: EventContext) => void
+) => fn as ActionHandler
diff --git a/src/hooks/types.ts b/src/hooks/types.ts
new file mode 100644
index 0000000..449bd59
--- /dev/null
+++ b/src/hooks/types.ts
@@ -0,0 +1,13 @@
+import type { PrimaryKey } from '@directus/types'
+
+export type TEventHandlerMeta = {
+	event: string
+	collection: string
+}
+
+export type TFilterHandlerMeta = TEventHandlerMeta & {}
+
+export type TActionHandlerMeta<T = unknown> = TEventHandlerMeta & {
+	keys: PrimaryKey[]
+	payload: T
+}
diff --git a/src/index.ts b/src/index.ts
index f0618b2..f20627d 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,3 +1,3 @@
-export * from './types'
+export * from './hooks'
 export * from './services'
 export * from './operations'
diff --git a/src/operations/index.ts b/src/operations/index.ts
index 316f80a..a91aab4 100644
--- a/src/operations/index.ts
+++ b/src/operations/index.ts
@@ -1,9 +1,12 @@
 import type { Accountability } from '@directus/types'
 import type { TTrigger } from './trigger'
 
-export type TOperationContextData = {
-	$trigger: TTrigger,
-	$last: TTrigger
+export type TOperationContextData<
+	TTriggerBodyEntity extends Record<string, unknown> = {},
+	TLast extends Record<string, unknown> = {},
+> = {
+	$trigger: TTrigger<TTriggerBodyEntity>
+	$last: TLast
 	$accountability: Accountability
 	$env: Record<string, string>
 }
diff --git a/src/operations/trigger.ts b/src/operations/trigger.ts
index 2bc3333..da4c30d 100644
--- a/src/operations/trigger.ts
+++ b/src/operations/trigger.ts
@@ -1,10 +1,13 @@
-export type TTrigger = {
-	path: string
-	query: any,
-	body: {
+export type TTriggerBody<TEntity extends Record<string, unknown> = {}> =
+	TEntity & {
 		collection: string
-	},
-	method: 'GET' | 'POST',
+	}
+
+export type TTrigger<TBody extends Record<string, unknown> = {}> = {
+	path: string
+	query: any
+	body: TTriggerBody<TBody>
+	method: 'GET' | 'POST'
 	headers: {
 		host: string
 		connection: string
diff --git a/src/types/hook.ts b/src/types/hook.ts
deleted file mode 100644
index d1ee0b9..0000000
--- a/src/types/hook.ts
+++ /dev/null
@@ -1,7 +0,0 @@
-import type { PrimaryKey } from '@directus/types'
-
-export type TFilterHandlerMeta = Record<string, any> & {
-	event: string | 'items.create' | 'items.update',
-	keys: PrimaryKey[]
-	collection: string
-}
diff --git a/src/types/index.ts b/src/types/index.ts
deleted file mode 100644
index 516962b..0000000
--- a/src/types/index.ts
+++ /dev/null
@@ -1 +0,0 @@
-export * from './hook'