diff --git a/Sources/PrivMXEndpointSwift/Errors/PrivMXEndpointError.swift b/Sources/PrivMXEndpointSwift/Errors/PrivMXEndpointError.swift
index 0a8469e..1521c02 100644
--- a/Sources/PrivMXEndpointSwift/Errors/PrivMXEndpointError.swift
+++ b/Sources/PrivMXEndpointSwift/Errors/PrivMXEndpointError.swift
@@ -268,6 +268,7 @@ public enum PrivMXEndpointError : Error{
 	/// Falied to delete KVDB Entries.
 	case failedDeletingKvdbEntries(privmx.InternalError)
 	
+	case failedSyncingFile(privmx.InternalError)
   
 	/// Gets the Message of the error.
 	///
@@ -384,6 +385,7 @@ public enum PrivMXEndpointError : Error{
 					.failedCheckingifStringIsBase64(let err),
 					.failedTrimmingString(let err),
 					.failedSplittingString(let err),
+					.failedSyncingFile(let err),
 					.failedGeneratingBIP39(let err):
 				return String(err.message)
 		}
@@ -505,6 +507,7 @@ public enum PrivMXEndpointError : Error{
 					.failedCheckingifStringIsBase64(let err),
 					.failedTrimmingString(let err),
 					.failedSplittingString(let err),
+					.failedSyncingFile(let err),
 					.failedGeneratingBIP39(let err):
 				return err.code.value
 		}
@@ -625,6 +628,7 @@ public enum PrivMXEndpointError : Error{
 					.failedCheckingifStringIsBase64(let err),
 					.failedTrimmingString(let err),
 					.failedSplittingString(let err),
+					.failedSyncingFile(let err),
 					.failedGeneratingBIP39(let err):
 				return String(err.name)
 		}
@@ -745,6 +749,7 @@ public enum PrivMXEndpointError : Error{
 					.failedCheckingifStringIsBase64(let err),
 					.failedTrimmingString(let err),
 					.failedSplittingString(let err),
+					.failedSyncingFile(let err),
 					.failedGeneratingBIP39(let err):
 				return String(err.description)
 		}
@@ -865,6 +870,7 @@ public enum PrivMXEndpointError : Error{
 					.failedCheckingifStringIsBase64(let err),
 					.failedTrimmingString(let err),
 					.failedSplittingString(let err),
+					.failedSyncingFile(let err),
 					.failedGeneratingBIP39(let err):
 				if let scope = err.scope.value{
 					return String(scope)
diff --git a/Sources/PrivMXEndpointSwift/Stores/StoreApi.swift b/Sources/PrivMXEndpointSwift/Stores/StoreApi.swift
index 96b36d7..5ae2a84 100644
--- a/Sources/PrivMXEndpointSwift/Stores/StoreApi.swift
+++ b/Sources/PrivMXEndpointSwift/Stores/StoreApi.swift
@@ -460,17 +460,18 @@ public class StoreApi{
 	
 	/// Writes a chunk of data to an open file on the platform.
     ///
-    /// - Parameters:
-    ///   - handle: The handle to the open file.
-    ///   - dataChunk: The chunk of data to be written to the file.
+    /// - Parameter handle: The handle to the open file.
+    /// - Parameter dataChunk: The chunk of data to be written to the file.
+    /// - Parameter truncate: truncate the file from: current pos + dataChunk size
     ///
     /// - Throws: `PrivMXEndpointError.failedWritingToFile` if writing to the file fails.
     public func writeToFile(
 		handle: privmx.StoreFileHandle,
-		dataChunk: privmx.endpoint.core.Buffer
+		dataChunk: privmx.endpoint.core.Buffer,
+		truncate: Bool = false
 	) throws -> Void{
 		
-		let res = api.writeToFile(handle,dataChunk)
+		let res = api.writeToFile(handle,dataChunk,truncate)
 		guard res.error.value == nil else {
 			throw PrivMXEndpointError.failedWritingToFile(res.error.value!)
 		}
@@ -490,6 +491,20 @@ public class StoreApi{
 		}
 	}
 	
+	/// Synchronize file handle data with newset data on serwer.
+	///
+	/// - Parameter handle: Store File handle to sync
+	///
+	/// - Throws: if the operation fails.
+	public func syncFile(
+		handle: privmx.StoreFileHandle
+	) throws -> Void {
+		let res = api.syncFile(handle)
+		guard res.error.value == nil else {
+			throw PrivMXEndpointError.failedSyncingFile(res.error.value!)
+		}
+	}
+	
 	/// Subscribe for the Store events on the given subscription query.
 	///
 	/// - Parameter subscriptionQueries: list of queries
diff --git a/Sources/PrivMXEndpointSwiftNative/NativeStoreApiWrapper.cpp b/Sources/PrivMXEndpointSwiftNative/NativeStoreApiWrapper.cpp
index 17c7676..94532bb 100644
--- a/Sources/PrivMXEndpointSwiftNative/NativeStoreApiWrapper.cpp
+++ b/Sources/PrivMXEndpointSwiftNative/NativeStoreApiWrapper.cpp
@@ -370,7 +370,8 @@ ResultWithError<core::Buffer> NativeStoreApiWrapper::readFromFile(StoreFileHandl
 }
 
 ResultWithError<std::nullptr_t> NativeStoreApiWrapper::writeToFile(StoreFileHandle handle,
-																   const core::Buffer& dataChunk){
+																   const core::Buffer& dataChunk,
+																   bool truncate = false){
 	ResultWithError<std::nullptr_t> res;
 	try{
 		getapi()->writeToFile(handle, dataChunk);
@@ -501,6 +502,31 @@ ResultWithError<std::nullptr_t> NativeStoreApiWrapper::deleteStore(const std::st
 	return res;
 }
 
+ResultWithError<std::nullptr_t> NativeStoreApiWrapper::syncFile(const StoreFileHandle handle){
+	ResultWithError<std::nullptr_t> res;
+	try {
+		getapi()->syncFile(handle);
+		}catch(core::Exception& err){
+		res.error = {
+			.name = err.getName(),
+			.code = err.getCode(),
+			.scope = err.getScope(),
+			.description = err.getDescription(),
+			.message = err.what()
+		};
+	}catch (std::exception & err) {
+		res.error ={
+			.name = "std::Exception",
+			.message = err.what()
+		};
+	}catch (...) {
+		res.error ={
+			.name = "Unknown Exception",
+			.message = "Failed to work"
+		};
+	}
+	return res;
+}
 
 ResultWithError<SubscriptionIdVector> NativeStoreApiWrapper::subscribeFor(const SubscriptionQueryVector& subscriptionQueries){
 	ResultWithError<SubscriptionIdVector> res;
diff --git a/Sources/PrivMXEndpointSwiftNative/include/NativeStoreApiWrapper.hpp b/Sources/PrivMXEndpointSwiftNative/include/NativeStoreApiWrapper.hpp
index 2e55089..0319150 100644
--- a/Sources/PrivMXEndpointSwiftNative/include/NativeStoreApiWrapper.hpp
+++ b/Sources/PrivMXEndpointSwiftNative/include/NativeStoreApiWrapper.hpp
@@ -193,7 +193,8 @@ class NativeStoreApiWrapper{
 	 * @return `ResultWithError` structure for error handling.
 	 */
 	ResultWithError<std::nullptr_t> writeToFile(const StoreFileHandle handle,
-												const endpoint::core::Buffer& dataChunk);
+												const endpoint::core::Buffer& dataChunk,
+												bool truncate);
 	
 	/**
 	 * Reads from an opened file.
@@ -238,6 +239,8 @@ class NativeStoreApiWrapper{
 	 */
 	ResultWithError<std::nullptr_t> deleteFile(const std::string& fileId);
 	
+	ResultWithError<std::nullptr_t> syncFile(const StoreFileHandle handle);
+	
 	/**
 	 * Subscribe for the Thread events on the given subscription query.
 	 *