diff --git a/src/CustomerData.txt b/src/CustomerData.txt
index cd3f176..106adfc 100644
--- a/src/CustomerData.txt
+++ b/src/CustomerData.txt
@@ -3,14 +3,14 @@ ID=1234
 forename=Max
 Surname=Mustermann
 password=example
-balance=2340
+balance=2300
 
 1327=example
 ID=1327
 forename=Max
 Surname=Mustermann
 password=example
-balance=20
+balance=160
 
 1666=example
 ID=1666
diff --git a/src/sendmoney.c b/src/sendmoney.c
new file mode 100644
index 0000000..0980976
--- /dev/null
+++ b/src/sendmoney.c
@@ -0,0 +1,55 @@
+#include "sendMoney.h"
+#include "depositMoney.c"
+#include "withdrawMoney.c"
+
+bool sendMoney(int customerID){
+    float availableAccountBalance=getAvailableAccountBalance(customerID);
+    float amountToSend;
+    int recID;
+    printf("\nYou have %.2f€ in your account. How much would you like to send?\n",availableAccountBalance);
+    scanf("%f",&amountToSend);
+    if(amountToSend>0 && amountToSend<availableAccountBalance){
+        printf("\nYour input was %.2f€. Please enter the recipient id.\n",amountToSend);
+        scanf("%d",&recID);
+        if(recID>1000){
+            bool recExists=checkCustomerExists(recID);
+            if(recExists){
+                if(recID==customerID){
+                    printf("\nYou cannot send money to yourself. Aborting. \n");
+                    return false;
+                }
+                else{
+                        if(withdrawSpecificAmount(customerID, amountToSend)){
+                        if(depositSpecificAmount(recID, amountToSend)){
+                            printf("\nYou have successfuly transfered %.2f€ to [%d]",amountToSend,recID);
+                            return true;
+                        }
+                        else{
+                            printf("\nSomething went wrong with the transfer. Please contact staff.");
+                        }
+                    }
+                }
+                
+            }else{
+                if(withdrawSpecificAmount(customerID, amountToSend)){
+                    printf("\nYou have successfuly transfered %.2f€ to [%d]",amountToSend,recID);
+                    return true;
+                }
+            }
+        }
+        else
+        {
+             printf("\nThe ID you have entered is not valid. Aborting. \n");
+        }
+        
+    }else{
+        //error
+        return false;
+    }
+    return false;
+}
+
+// int main(){
+//     sendMoney(1234);
+//     return 0;
+// }
\ No newline at end of file
diff --git a/src/sendmoney.h b/src/sendmoney.h
new file mode 100644
index 0000000..1484dca
--- /dev/null
+++ b/src/sendmoney.h
@@ -0,0 +1,10 @@
+#ifndef SENDMONEY_H
+#define SENDMONEY_H
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdbool.h>
+#include <string.h>
+
+bool sendMoney(int customerID);
+
+#endif // SENDMONEY_H
diff --git a/src/updateCustomerAccountBalance.c b/src/updateCustomerAccountBalance.c
index 794cbde..900928e 100644
--- a/src/updateCustomerAccountBalance.c
+++ b/src/updateCustomerAccountBalance.c
@@ -112,6 +112,51 @@ bool updateAvailableAccountBalance(int user_id, float newBalance){
     }
     return false;
     
+}
+bool checkCustomerExists(int customerID){
+    bool keep_reading = true;
+    bool customer_found=false;
+    char buffer[MAX_LENGTH];
+    char stringID[MAX_LENGTH] = "ID=";
+    char user_id_as_string[MAX_LENGTH];
+    char balance_String[MAX_LENGTH];
+    int currentLine=0;
+    
+    sprintf(user_id_as_string, "%d", customerID); // converts user_id to string
+    strcat(stringID, user_id_as_string);
+
+    FILE *file = fopen(CUSTOMER_DATA_FILE, "r+"); 
+    if (file == NULL) {
+        return false;
+    }
+    while(keep_reading) {
+        fgets(buffer, MAX_LENGTH, file);
+        currentLine++;
+        if (feof(file)) {
+            keep_reading = false;
+        }
+        else if(strstr(buffer, stringID)) { //found the customer
+
+            for (int i = 0; i < 4; i++) {
+                fgets(buffer, MAX_LENGTH, file);
+            }
+
+            strcpy(balance_String, buffer);
+            currentLine+=4;
+            keep_reading = false;
+            customer_found=true;
+        }
+
+    }
+    
+    fclose(file);;
+    if(customer_found){
+        return true;
+    }else{
+        return false;
+    }
+    return false;
+    
 }
 
 //traditional testing section
diff --git a/src/updateCustomerAccountBalance.h b/src/updateCustomerAccountBalance.h
index 9a931b3..17f34ae 100644
--- a/src/updateCustomerAccountBalance.h
+++ b/src/updateCustomerAccountBalance.h
@@ -9,7 +9,7 @@
 
 
 bool updateAvailableAccountBalance(int user_id, float newBalance);
-
+bool checkCustomerExists(int customerID);
 void replaceBalanceInString(float replacementBalance, int currentLine);
 
 #endif
\ No newline at end of file
diff --git a/tests/test_sendmoney.c b/tests/test_sendmoney.c
new file mode 100644
index 0000000..66be905
--- /dev/null
+++ b/tests/test_sendmoney.c
@@ -0,0 +1,69 @@
+#ifdef TEST
+#include <sendmoney.h>
+#include <unity.h>
+
+void setUp(void)
+{
+}
+
+void tearDown(void)
+{
+}
+// hier wird die Methode checkAccount getestet
+void test_sendmoney_NeedToImplement(void)
+{
+    // Arrage
+
+    int accountNumber = 1234567;
+    int accountNumber2 = 5555557;
+
+    // hier soll false sein
+    int accountNumber3 = 53323;
+    int accountNumber4 = 34342;
+    bool expected;
+    bool expected2;
+    bool expected3;
+    bool expected4;
+    // Act
+
+    expected = checkAccount(accountNumber);
+    expected2 = checkAccount(accountNumber2);
+    expected3 = checkAccount(accountNumber3);
+    expected4 = checkAccount(accountNumber4);
+
+    // Assert
+
+    TEST_ASSERT_TRUE(expected);
+    TEST_ASSERT_TRUE(expected2);
+    TEST_ASSERT_FALSE(expected3);
+    TEST_ASSERT_FALSE(expected4);
+}
+
+// hier wird die Methode getAvailableAccountBalance()getestet
+void test_getAvailableAccountBalance(void)
+{
+
+    // Arrage
+
+    double expected1 = 24.0;
+    int length = 2;
+
+    // Act
+
+    double result = getAvailableAccountBalance(length);
+
+    // Assert
+    TEST_ASSERT_EQUAL(expected1, result);
+}
+// hier wird die Methode getAmount() getestet
+void test_getAmount(void)
+{
+    // Arrage
+    float expected = 500.1;
+
+    float result = getAmount(expected);
+
+    TEST_ASSERT_EQUAL(expected, result);
+}
+
+#endif // TEST