diff --git a/lib/MySQL.lua b/lib/MySQL.lua
index d0581aa..b0a3466 100644
--- a/lib/MySQL.lua
+++ b/lib/MySQL.lua
@@ -6,9 +6,13 @@ local Ox = exports.oxmysql
 local Resource = GetCurrentResourceName()
 local Store = {}
 
-local function safeArgs(query, parameters, cb)
+local function safeArgs(query, parameters, cb, transaction)
 	if type(query) == 'number' then query = Store[query] end
-	assert(type(query) == 'string', ('A string was expected for the query, but instead received %s'):format(query))
+	if transaction then
+		assert(type(query) == 'table', ('A table was expected for the transaction, but instead received %s'):format(query))
+	else
+		assert(type(query) == 'string', ('A string was expected for the query, but instead received %s'):format(query))
+	end
 	if cb then
 		assert(type(cb) == 'function', ('A callback function was expected, but instead received %s'):format(cb))
 	end
@@ -67,13 +71,13 @@ MySQL = {
 			Ox:insert(safeArgs(query, parameters, cb))
 		end,
 
-		---@param query string
+		---@param queries table
 		---@param parameters? table|function
 		---@param cb? function
 		---@return boolean result
 		---returns true when the transaction has succeeded
-		transaction = function(query, parameters, cb)
-			Ox:transaction(safeArgs(query, parameters, cb))
+		transaction = function(queries, parameters, cb)
+			Ox:transaction(safeArgs(queries, parameters, cb, true))
 		end,
 
 		---@param query string
@@ -155,14 +159,14 @@ MySQL = {
 			return Citizen.Await(promise)
 		end,
 
-		---@param query string
+		---@param queries table
 		---@param parameters? table|function
 		---@return boolean result
 		---returns true when the transaction has succeeded
-		transaction = function(query, parameters)
-			query, parameters = safeArgs(query, parameters)
+		transaction = function(queries, parameters)
+			queries, parameters = safeArgs(queries, parameters, true)
 			local promise = promise.new()
-			Ox:transaction(query, parameters, function(result)
+			Ox:transaction(queries, parameters, function(result)
 				promise:resolve(result)
 			end, Resource)
 			return Citizen.Await(promise)
diff --git a/wrapper.lua b/wrapper.lua
index 17ff76c..21dd5f0 100644
--- a/wrapper.lua
+++ b/wrapper.lua
@@ -1,4 +1,7 @@
--- @retval	Fetch all query results
+---@param query string
+---@param parameters? table|function
+---@return integer result
+---returns number of rows updated by the executed query
 exports('executeSync', function(query, parameters)
     local p = promise.new()
     exports['oxmysql']:execute(query, parameters, function(result)
@@ -7,7 +10,11 @@ exports('executeSync', function(query, parameters)
     return Citizen.Await(p)
 end)
 
--- @retval	Fetch all query results (leftover for compatibility, same as execute)
+---@deprecated true
+---@param query string
+---@param parameters? table|function
+---@return table result
+---returns array of matching rows or result data
 exports('fetchSync', function(query, parameters)
     local p = promise.new()
     exports['oxmysql']:fetch(query, parameters, function(result)
@@ -16,7 +23,10 @@ exports('fetchSync', function(query, parameters)
     return Citizen.Await(p)
 end)
 
--- @retval	Returns the first row
+---@param query string
+---@param parameters? table|function
+---@return table result
+---returns table containing key value pairs
 exports('singleSync', function(query, parameters)
     local p = promise.new()
     exports['oxmysql']:single(query, parameters, function(result)
@@ -25,7 +35,10 @@ exports('singleSync', function(query, parameters)
     return Citizen.Await(p)
 end)
 
--- @retval	Returns a single result from a column
+---@param query string
+---@param parameters? table|function
+---@return integer|string
+---returns value of the first column of a single row
 exports('scalarSync', function(query, parameters)
     local p = promise.new()
     exports['oxmysql']:scalar(query, parameters, function(result)
@@ -34,7 +47,10 @@ exports('scalarSync', function(query, parameters)
     return Citizen.Await(p)
 end)
 
--- @retval	Returns the id of the newly inserted row
+---@param query string
+---@param parameters? table|function
+---@return table result
+---returns the last inserted id
 exports('insertSync', function(query, parameters)
     local p = promise.new()
     exports['oxmysql']:insert(query, parameters, function(result)
@@ -43,7 +59,10 @@ exports('insertSync', function(query, parameters)
     return Citizen.Await(p)
 end)
 
--- @retval	Number of affected rows
+---@param query string
+---@param parameters? table|function
+---@return integer result
+---returns number of rows updated by the executed query
 exports('updateSync', function(query, parameters)
     local p = promise.new()
     exports['oxmysql']:update(query, parameters, function(result)
@@ -52,7 +71,10 @@ exports('updateSync', function(query, parameters)
     return Citizen.Await(p)
 end)
 
--- @retval	Returns true/false when the given queries are executed
+---@param queries table
+---@param parameters? table|function
+---@return boolean result
+---returns true when the transaction has succeeded
 exports('transactionSync', function(queries, parameters)
     local p = promise.new()
     exports['oxmysql']:transaction(queries, parameters, function(result)