diff --git a/packages/xrpl/src/models/common/index.ts b/packages/xrpl/src/models/common/index.ts
index 3c302baa..a34e058a 100644
--- a/packages/xrpl/src/models/common/index.ts
+++ b/packages/xrpl/src/models/common/index.ts
@@ -97,7 +97,7 @@ export interface Hook {
    * The object that describes the hook in Hooks.
    */
   Hook: {
-    HookHash: string
+    HookHash?: string
     /**
      * The code that is executed when the hook is triggered.
      */
diff --git a/packages/xrpl/src/models/transactions/common.ts b/packages/xrpl/src/models/transactions/common.ts
index f9eb9524..dd34f20d 100644
--- a/packages/xrpl/src/models/transactions/common.ts
+++ b/packages/xrpl/src/models/transactions/common.ts
@@ -4,7 +4,13 @@
 import { TRANSACTION_TYPES } from '@transia/ripple-binary-codec'
 
 import { ValidationError } from '../../errors'
-import { Amount, IssuedCurrencyAmount, Memo, Signer } from '../common'
+import {
+  Amount,
+  HookParameter,
+  IssuedCurrencyAmount,
+  Memo,
+  Signer,
+} from '../common'
 import { onlyHasFields } from '../utils'
 
 const MEMO_SIZE = 3
@@ -163,6 +169,10 @@ export interface BaseTransaction {
    * The network id of the transaction.
    */
   NetworkID?: number
+  /**
+   * The hook parameters of the transaction.
+   */
+  HookParameters?: HookParameter[]
 }
 
 /**
diff --git a/packages/xrpl/src/models/transactions/index.ts b/packages/xrpl/src/models/transactions/index.ts
index 27762509..a05db998 100644
--- a/packages/xrpl/src/models/transactions/index.ts
+++ b/packages/xrpl/src/models/transactions/index.ts
@@ -43,7 +43,7 @@ export {
 export { PaymentChannelCreate } from './paymentChannelCreate'
 export { PaymentChannelFund } from './paymentChannelFund'
 export { SetRegularKey } from './setRegularKey'
-export { SetHook } from './setHook'
+export { SetHookFlagsInterface, SetHookFlags, SetHook } from './setHook'
 export { SignerListSet } from './signerListSet'
 export { TicketCreate } from './ticketCreate'
 export { TrustSetFlagsInterface, TrustSetFlags, TrustSet } from './trustSet'
diff --git a/packages/xrpl/src/models/transactions/setHook.ts b/packages/xrpl/src/models/transactions/setHook.ts
index e7f334ba..f722bc67 100644
--- a/packages/xrpl/src/models/transactions/setHook.ts
+++ b/packages/xrpl/src/models/transactions/setHook.ts
@@ -1,7 +1,30 @@
 import { ValidationError } from '../../errors'
 import { Hook } from '../common'
 
-import { BaseTransaction, validateBaseTransaction } from './common'
+import { BaseTransaction, GlobalFlags, validateBaseTransaction } from './common'
+
+/**
+ * Enum representing values for Set Hook Transaction Flags.
+ *
+ * @category Transaction Flags
+ */
+export enum SetHookFlags {
+  /**
+   */
+  hsfOverride = 0x00000001,
+  /**
+   */
+  hsfNSDelete = 0x00000010,
+  /**
+   */
+  hsfCollect = 0x00000100,
+}
+
+export interface SetHookFlagsInterface extends GlobalFlags {
+  hsfOverride?: boolean
+  hsfNSDelete?: boolean
+  hsfCollect?: boolean
+}
 
 /**
  *
@@ -14,6 +37,8 @@ export interface SetHook extends BaseTransaction {
    *
    */
   Hooks: Hook[]
+
+  Flags?: number | SetHookFlagsInterface
 }
 
 const MAX_HOOKS = 4
diff --git a/packages/xrpl/src/models/transactions/transaction.ts b/packages/xrpl/src/models/transactions/transaction.ts
index 9ec3beed..19361c84 100644
--- a/packages/xrpl/src/models/transactions/transaction.ts
+++ b/packages/xrpl/src/models/transactions/transaction.ts
@@ -13,6 +13,7 @@ import { DepositPreauth, validateDepositPreauth } from './depositPreauth'
 import { EscrowCancel, validateEscrowCancel } from './escrowCancel'
 import { EscrowCreate, validateEscrowCreate } from './escrowCreate'
 import { EscrowFinish, validateEscrowFinish } from './escrowFinish'
+import { Invoke, validateInvoke } from './invoke'
 import { TransactionMetadata } from './metadata'
 import {
   NFTokenAcceptOffer,
@@ -62,6 +63,7 @@ export type Transaction =
   | EscrowCancel
   | EscrowCreate
   | EscrowFinish
+  | Invoke
   | NFTokenAcceptOffer
   | NFTokenBurn
   | NFTokenCancelOffer
@@ -142,6 +144,10 @@ export function validate(transaction: Record<string, unknown>): void {
       validateEscrowFinish(tx)
       break
 
+    case 'Invoke':
+      validateInvoke(tx)
+      break
+
     case 'NFTokenAcceptOffer':
       validateNFTokenAcceptOffer(tx)
       break
diff --git a/packages/xrpl/src/models/utils/flags.ts b/packages/xrpl/src/models/utils/flags.ts
index f185c99b..c072edc7 100644
--- a/packages/xrpl/src/models/utils/flags.ts
+++ b/packages/xrpl/src/models/utils/flags.ts
@@ -20,6 +20,7 @@ import {
   PaymentChannelClaimFlagsInterface,
   PaymentChannelClaimFlags,
 } from '../transactions/paymentChannelClaim'
+import { SetHookFlagsInterface, SetHookFlags } from '../transactions/setHook'
 import type { Transaction } from '../transactions/transaction'
 import { TrustSetFlagsInterface, TrustSetFlags } from '../transactions/trustSet'
 
@@ -75,6 +76,15 @@ export function setTransactionFlagsToNumber(tx: Transaction): void {
     case 'TrustSet':
       tx.Flags = convertTrustSetFlagsToNumber(tx.Flags)
       return
+    case 'SetHook':
+      tx.Flags = convertSetHookFlagsToNumber(tx.Flags)
+      tx.Hooks.forEach((h) => {
+        h.Hook.Flags = convertSetHookFlagsToNumber(
+          // eslint-disable-next-line @typescript-eslint/consistent-type-assertions -- idk
+          h.Hook.Flags as SetHookFlagsInterface,
+        )
+      })
+      return
     default:
       tx.Flags = 0
   }
@@ -108,6 +118,10 @@ function convertTrustSetFlagsToNumber(flags: TrustSetFlagsInterface): number {
   return reduceFlags(flags, TrustSetFlags)
 }
 
+function convertSetHookFlagsToNumber(flags: SetHookFlagsInterface): number {
+  return reduceFlags(flags, SetHookFlags)
+}
+
 // eslint-disable-next-line @typescript-eslint/no-explicit-any -- added ValidationError check for flagEnum
 function reduceFlags(flags: GlobalFlags, flagEnum: any): number {
   return Object.keys(flags).reduce((resultFlags, flag) => {
diff --git a/packages/xrpl/src/utils/hooks.ts b/packages/xrpl/src/utils/hooks.ts
index b6c1a40d..55c56bf3 100644
--- a/packages/xrpl/src/utils/hooks.ts
+++ b/packages/xrpl/src/utils/hooks.ts
@@ -4,9 +4,11 @@
  * This module contains the transaction types and the function to calculate the hook on
  */
 
-// eslint-disable-next-line @typescript-eslint/no-require-imports -- Required
+import {
+  TRANSACTION_TYPES,
+  TRANSACTION_TYPE_MAP,
+} from '@transia/ripple-binary-codec'
 import createHash = require('create-hash')
-import { TRANSACTION_TYPES, TRANSACTION_TYPE_MAP } from '@transia/ripple-binary-codec'
 
 import { XrplError } from '../errors'
 import { HookParameter } from '../models/common'
@@ -42,7 +44,7 @@ export function calculateHookOn(arr: Array<keyof TTS>): string {
         `invalid transaction type '${String(nth)}' in HookOn array`,
       )
     }
-    // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment -- Required
+
     const tts: Record<string, number> = TRANSACTION_TYPE_MAP
     let value = BigInt(hash)
     // eslint-disable-next-line no-bitwise -- Required
@@ -84,6 +86,14 @@ export async function hexNamespace(namespace: string): Promise<string> {
   return (await sha256(namespace)).toUpperCase()
 }
 
+function isHex(value: string): boolean {
+  return /^[0-9A-F]+$/iu.test(value)
+}
+
+function hexValue(value: string): string {
+  return Buffer.from(value, 'utf8').toString('hex').toUpperCase()
+}
+
 /**
  * Calculate the hex of the hook parameters
  *
@@ -93,20 +103,21 @@ export async function hexNamespace(namespace: string): Promise<string> {
 export function hexHookParameters(data: HookParameter[]): HookParameter[] {
   const hookParameters: HookParameter[] = []
   for (const parameter of data) {
+    let hookPName = parameter.HookParameter.HookParameterName
+    let hookPValue = parameter.HookParameter.HookParameterValue
+
+    if (!isHex(hookPName)) {
+      hookPName = hexValue(hookPName)
+    }
+
+    if (!isHex(hookPValue)) {
+      hookPValue = hexValue(hookPValue)
+    }
+
     hookParameters.push({
       HookParameter: {
-        HookParameterName: Buffer.from(
-          parameter.HookParameter.HookParameterName,
-          'utf8',
-        )
-          .toString('hex')
-          .toUpperCase(),
-        HookParameterValue: Buffer.from(
-          parameter.HookParameter.HookParameterValue,
-          'utf8',
-        )
-          .toString('hex')
-          .toUpperCase(),
+        HookParameterName: hookPName,
+        HookParameterValue: hookPValue,
       },
     })
   }