diff --git a/.gitignore b/.gitignore
index 7fc7838..2f4f2b6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -27,7 +27,8 @@ SCPriceList__c.csv
 SCPriceListItem__c.csv
 SCResourceAssignment__c.csv
 ContractTemplates.csv
-ServiceContract.csv
+ServiceContract.csv*
 SCContract__c.csv
 AssociatedLocation_beforetransform.csv
-AssociatedLocation.csv
\ No newline at end of file
+AssociatedLocation.csv*
+ServiceContract_beforetransform.csv
\ No newline at end of file
diff --git a/__pycache__/sf_auth.cpython-313.pyc b/__pycache__/sf_auth.cpython-313.pyc
new file mode 100644
index 0000000..b01a630
Binary files /dev/null and b/__pycache__/sf_auth.cpython-313.pyc differ
diff --git a/prepared_steps/13_insert_servicecontracttemplates_dummies/export.json b/prepared_steps/13_insert_servicecontracttemplates_dummies/export.json
index 7e71aeb..eee6810 100644
--- a/prepared_steps/13_insert_servicecontracttemplates_dummies/export.json
+++ b/prepared_steps/13_insert_servicecontracttemplates_dummies/export.json
@@ -8,7 +8,7 @@
             "master": false,
             "externalId": "Name"
         },{
-            "query": "SELECT PKey__c,Name,Status,BillingCountryCode,Term,Pricebook2.Name,IsTemplate__c,TemplateCountry__c,FSL_Sold_by__c FROM ServiceContract",
+            "query": "SELECT PKey__c,Name,Status,BillingCountryCode,Term,Pricebook2Id,IsTemplate__c,TemplateCountry__c,FSL_Sold_by__c FROM ServiceContract",
             "operation": "Upsert",
             "useValuesMapping": true
         }
diff --git a/prepared_steps/14_fill_pricebook2id_in_servicecontract/FillServiceContractFields.py b/prepared_steps/14_fill_pricebook2id_in_servicecontract/FillServiceContractFields.py
new file mode 100644
index 0000000..2f69ee4
--- /dev/null
+++ b/prepared_steps/14_fill_pricebook2id_in_servicecontract/FillServiceContractFields.py
@@ -0,0 +1,48 @@
+import pandas as pd
+
+read_df_sc = pd.read_csv('../15_insert_servicecontract/ServiceCOntract_beforetransform.csv', header=0, keep_default_na=False, dtype=str)
+read_df_pb2 = pd.read_csv('../12_insert_pricebook2_and_pricebookentries/target/Pricebook2_insert_target.csv', header=0, keep_default_na=False, dtype=str)
+read_df_sct = pd.read_csv('../13_insert_servicecontracttemplates_dummies/target/ServiceContract_insert_target.csv', header=0, keep_default_na=False, dtype=str)
+
+reindex_columns_sc = ['PKey__c','TemplateId__r.PKey__c','Status','BillingCountryCode','Term','EndDate','StartDate','AccountId','Service_Recipient__c','IoT_Registration_Status__c','Pricebook2.Name','Name']
+reindex_columns_pb2 = ['Brand__c','Business_Type__c','Country__c','Errors','Id','IsActive','Name']
+reindex_columns_sct = ['BillingCountryCode','Errors','Id','IsTemplate__c','Name','PKey__c','Pricebook2Id','Term']
+
+# Reindex the columns to match the desired format
+df_sc = read_df_sc.reindex(reindex_columns_sc, axis=1)
+df_pb2 = read_df_pb2.reindex(reindex_columns_pb2, axis=1)
+df_sct = read_df_sct.reindex(reindex_columns_sct, axis=1)
+
+print(df_sc)
+print(df_pb2)
+print(df_sct)
+#
+# Merge df_sc with df_pb2 including Id based on Pricebook2.Name
+merged_df_sc = pd.merge(df_sc, 
+                        df_pb2[['Id', 'Name']], 
+                        left_on='Pricebook2.Name',
+                        right_on='Name',
+                        how='left')
+
+
+merged_df_sc = pd.merge(merged_df_sc, 
+                        df_sct[['PKey__c', 'Id']], 
+                        left_on='TemplateId__r.PKey__c',
+                        right_on='PKey__c',
+                        how='left')
+
+#drop External Reference
+merged_df_sc = merged_df_sc.drop('Pricebook2.Name', axis=1)
+merged_df_sc = merged_df_sc.drop('Name_y', axis=1)
+merged_df_sc = merged_df_sc.drop('TemplateId__r.PKey__c', axis=1)
+merged_df_sc = merged_df_sc.drop('PKey__c_y', axis=1)
+
+print(merged_df_sc)
+
+#Rename columns
+merged_df_sc.columns = ['PKey__c','Status','BillingCountryCode','Term','EndDate','StartDate','AccountId','Service_Recipient__c','IoT_Registration_Status__c','Name','Pricebook2Id', 'TemplateId__c']
+
+
+#safe csv
+merged_df_sc.to_csv('../15_insert_servicecontract/ServiceContract.csv', index=False)
+
diff --git a/prepared_steps/14_fill_pricebook2id_in_servicecontract/command.txt b/prepared_steps/14_fill_pricebook2id_in_servicecontract/command.txt
new file mode 100644
index 0000000..2c81df9
--- /dev/null
+++ b/prepared_steps/14_fill_pricebook2id_in_servicecontract/command.txt
@@ -0,0 +1 @@
+python .\FillServiceContractFields.py
\ No newline at end of file
diff --git a/prepared_steps/15_insert_servicecontract/InsertServiceContracts.py b/prepared_steps/15_insert_servicecontract/InsertServiceContracts.py
new file mode 100644
index 0000000..c95980f
--- /dev/null
+++ b/prepared_steps/15_insert_servicecontract/InsertServiceContracts.py
@@ -0,0 +1,47 @@
+import os
+import argparse
+from sys import path
+path.append('../..')
+from sf_auth import get_sf_connection
+
+def insert_service_contracts(context):
+    """
+    Insert ServiceContract records using Bulk API 2.0
+    
+    Args:
+        context (str): Salesforce org context (e.g., 'qa2', 'prod')
+    """
+    try:
+        # Get Salesforce connection
+        sf = get_sf_connection(context)
+        
+        csv_file = 'ServiceContract.csv'
+        print(f'Starting bulk insert of ServiceContract records from {csv_file}...')
+        
+        # Use bulk API 2.0 to insert records directly from CSV
+        results = sf.bulk2.ServiceContract.insert(
+            csv_file,
+            batch_size=10000,
+            concurrency=5
+        )
+        
+        # Count successes and failures
+        success_count = sum(1 for result in results if result['success'])
+        total_count = len(results)
+        
+        print(f'\nInsertion complete:')
+        print(f'Total records: {total_count}')
+        print(f'Successful: {success_count}')
+        print(f'Failed: {total_count - success_count}')
+        
+    except Exception as e:
+        print(f'Error: {str(e)}')
+        raise
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser(description='Insert ServiceContract records via Bulk API')
+    parser.add_argument('--context', type=str, required=True,
+                       help='Salesforce org context (e.g., "qa2", "prod")')
+    
+    args = parser.parse_args()
+    insert_service_contracts(args.context)
\ No newline at end of file
diff --git a/prepared_steps/15_insert_servicecontract/ValueMapping.csv b/prepared_steps/15_insert_servicecontract/ValueMapping.csv
new file mode 100644
index 0000000..2996f86
--- /dev/null
+++ b/prepared_steps/15_insert_servicecontract/ValueMapping.csv
@@ -0,0 +1,4 @@
+ObjectName,FieldName,RawValue,Value
+ServiceContract,Status,Active,Active
+ServiceContract,Status,Cancelled,Inactive
+ServiceContract,Status,Created,Active
\ No newline at end of file
diff --git a/prepared_steps/15_insert_servicecontract/command.txt b/prepared_steps/15_insert_servicecontract/command.txt
new file mode 100644
index 0000000..0389686
--- /dev/null
+++ b/prepared_steps/15_insert_servicecontract/command.txt
@@ -0,0 +1 @@
+sf sfdmu run --sourceusername rene.kasseboehmer@vaillant.de.devrene --targetusername rene.kasseboehmer@vaillant.de.devrene
\ No newline at end of file
diff --git a/prepared_steps/15_insert_servicecontract/export.json b/prepared_steps/15_insert_servicecontract/export.json
new file mode 100644
index 0000000..76ff452
--- /dev/null
+++ b/prepared_steps/15_insert_servicecontract/export.json
@@ -0,0 +1,23 @@
+{
+    "allOrNone": true,
+    "excludeIdsFromCSVFiles": true,
+    "objects": [
+        {
+            "query": "SELECT Id FROM Pricebook2 WHERE Name LIKE 'NL%'",
+            "operation": "Readonly",
+            "externalId": "Id",
+            "master": false     
+        },{
+            "query": "SELECT Id FROM Account WHERE BillingCountry__c = 'NL'",
+            "operation": "Readonly",
+            "externalId": "Id",
+            "master": false
+        },{
+            "query": "SELECT PKey__c,Status,BillingCountryCode,AccountId,Service_Recipient__c,IoT_Registration_Status__c,Pricebook2Id, TemplateId__c FROM ServiceContract",
+            "operation": "Insert",
+            "useValuesMapping": true,
+            "useSourceCSVFile": true,
+            "master": true
+        }
+    ]
+}
\ No newline at end of file
diff --git a/prepared_steps/16_build_servicecontract_self_reference/UpdateContractsSelfRerefence.py b/prepared_steps/16_build_servicecontract_self_reference/UpdateContractsSelfRerefence.py
new file mode 100644
index 0000000..a424a12
--- /dev/null
+++ b/prepared_steps/16_build_servicecontract_self_reference/UpdateContractsSelfRerefence.py
@@ -0,0 +1,25 @@
+import pandas as pd
+
+read_df_sc = pd.read_csv('../15_insert_servicecontract/ServiceContract.csv', header=0, keep_default_na=False, dtype=str)
+read_df_sc_inserted = pd.read_csv('../15_insert_servicecontract/target/ServiceContract_insert_target.csv', header=0, keep_default_na=False, dtype=str)
+
+reindex_columns_sc = ['PKey__c','Status','BillingCountryCode','Term','EndDate','StartDate','AccountId','Service_Recipient__c','IoT_Registration_Status__c','Name','Pricebook2Id', 'TemplateId__c']
+reindex_columns_sc_inserted = ['AccountId','BillingCountryCode','EndDate','Errors','Id','IoT_Registration_Status__c','Name','PKey__c','Pricebook2Id','StartDate','Term']
+
+# Reindex the columns to match the desired format
+df_sc = read_df_sc.reindex(reindex_columns_sc, axis=1)
+df_sc_inserted = read_df_sc_inserted.reindex(reindex_columns_sc_inserted, axis=1)
+
+#
+# Merge df_sc with df_pb2 including Id based on Pricebook2.Name
+merged_df_sc = pd.merge(df_sc_inserted, 
+                        df_sc[['PKey__c', 'TemplateId__c']], 
+                        left_on='PKey__c',
+                        right_on='PKey__c',
+                        how='left')
+
+save_df_sc = merged_df_sc[['Id', 'TemplateId__c']]
+
+#safe csv
+save_df_sc.to_csv('../17_update_servicecontract/ServiceContract.csv', index=False)
+
diff --git a/prepared_steps/16_build_servicecontract_self_reference/command.txt b/prepared_steps/16_build_servicecontract_self_reference/command.txt
new file mode 100644
index 0000000..f936e59
--- /dev/null
+++ b/prepared_steps/16_build_servicecontract_self_reference/command.txt
@@ -0,0 +1 @@
+python .\UpdateContractsSelfRerefence.py
\ No newline at end of file
diff --git a/prepared_steps/17_update_servicecontract/command.txt b/prepared_steps/17_update_servicecontract/command.txt
new file mode 100644
index 0000000..0389686
--- /dev/null
+++ b/prepared_steps/17_update_servicecontract/command.txt
@@ -0,0 +1 @@
+sf sfdmu run --sourceusername rene.kasseboehmer@vaillant.de.devrene --targetusername rene.kasseboehmer@vaillant.de.devrene
\ No newline at end of file
diff --git a/prepared_steps/17_update_servicecontract/export.json b/prepared_steps/17_update_servicecontract/export.json
new file mode 100644
index 0000000..b13e9ef
--- /dev/null
+++ b/prepared_steps/17_update_servicecontract/export.json
@@ -0,0 +1,16 @@
+{
+    "allOrNone": true,
+    "objects": [
+        {
+            "query": "SELECT Id FROM ServiceContract WHERE IsTemplate__c = true",
+            "operation": "Readonly",
+            "externalId": "Id",
+            "master": false
+        },{
+            "query": "SELECT Id, TemplateId__c FROM ServiceContract",
+            "operation": "Update",
+            "externalId": "Id",
+            "useSourceCSVFile": true
+        }
+    ]
+}
\ No newline at end of file
diff --git a/prepared_steps/1_extract_data/extract_via_simple_salesforce.py b/prepared_steps/1_extract_data/extract_via_simple_salesforce.py
index d5f77cd..09fe953 100644
--- a/prepared_steps/1_extract_data/extract_via_simple_salesforce.py
+++ b/prepared_steps/1_extract_data/extract_via_simple_salesforce.py
@@ -10,8 +10,9 @@ import time
 import sys
 import json
 import pandas as pd
-from dotenv import load_dotenv, find_dotenv
-from simple_salesforce import Salesforce
+from sys import path
+path.append('../..')
+from sf_auth import get_sf_connection
 
 done = False
 
@@ -25,44 +26,7 @@ def animate():
         time.sleep(0.1)
     sys.stdout.write('\rDone!     ')
 
-def get_credentials(context):
-    """
-    Get credentials for a given context from the .env file
-    
-    Args:
-        context (str): Context name (e.g., 'qa2', 'prod')
-    
-    Returns:
-        dict: Credentials dictionary with username, password, and security_token
-    """
-    context = context.upper()
-            
-    # Initialize credentials dictionary
-    credentials = {
-        'USERNAME': None,
-        'PASSWORD': None,
-        'SECURITY_TOKEN': None
-    }
-    
-    if context != 'PROD':
-        credentials['DOMAIN'] = 'test'
-
-    # Load the .env file explicitly from one directory above
-    env_file = find_dotenv("../.env")
-    load_dotenv(env_file)
-    
-    # Load all environment variables
-    env_vars = os.environ
-
-
-    
-    for key, value in env_vars.items():
-        #print(f'{context}_SF_', key, value)
-        if f'{context}_SF_' in key:
-            credential_key = key.split(f'{context}_SF_')[-1].upper()
-            credentials[credential_key] = value
-            
-    return credentials
+# ...existing code for animate() function...
 
 def extract_data(object_id, query, output_path='output', context='qa2'):
     """
@@ -74,45 +38,15 @@ def extract_data(object_id, query, output_path='output', context='qa2'):
         context (str): Context name for credentials (e.g., 'qa2', 'prod')
     """
     try:
-
         global done
         done = False
-        # Get credentials based on context
-        credentials = get_credentials(context)
         
-        if not all(credentials.values()):
-            raise ValueError(f"Missing credentials for context: {context}")
+        # Get Salesforce connection using the new module
+        sf = get_sf_connection(context)
         
-        if(context == 'prod'):
-            # Initialize Salesforce bulk connector
-            sf = Salesforce(
-                username=credentials['USERNAME'],
-                password=credentials['PASSWORD'],
-                security_token=credentials['SECURITY_TOKEN'],
-                version='62.0'
-            )
-        else:
-            # Initialize Salesforce bulk connector
-            sf = Salesforce(
-                username=credentials['USERNAME'],
-                password=credentials['PASSWORD'],
-                security_token=credentials['SECURITY_TOKEN'],
-                domain=credentials['DOMAIN'],
-                version='62.0'
-            )
-        
-        # Create a simple query for the desired object
-        #soql_query = f"""
-        #    SELECT Id, City__c, Country__c, GeoY__c, GeoX__c, PostalCode__c, Street__c, Extension__c, HouseNo__c, FlatNo__c, Floor__c FROM SCInstalledBaseLocation__c WHERE Country__c = 'NL'
-        #"""
-
         t = threading.Thread(target=animate)
         t.start()
 
-        #sf.bulk2.__getattr__("SCInstalledBaseLocation__c").download(
-        #    soql_query, path="./", max_records=2000000
-        #)
-
         results = sf.bulk2.__getattr__(object_id).query(
             query, max_records=2000000
         )
@@ -124,37 +58,7 @@ def extract_data(object_id, query, output_path='output', context='qa2'):
         time.sleep(10)
         done = True
         t.do_run = False
-        
-        """
-        # Execute the Bulk query job
-        job = sf.bulk2.__getattr__("SCInstalledBase__c").query(soql_query)
-        
-        # Polling for job completion (might take a moment)
-        job_id = job['id']
-        while True:
-            status = sf.bulk.job(job_id).get()['status']
-            if status == 'Complete' or status == 'Closed' :
-                break
-            if status == 'Aborted':
-                exit(1)
-            if status == 'Failed':
-                raise ValueError(f'Job failed: {job_id}')
-            
-        
-        # Get the results
-        result = sf.bulk.result(job_id)
-        df = pd.DataFrame(result.records)
-        
-        # Create output directory if it doesn't exist
-        os.makedirs(output_path, exist_ok=True)
-        
-        # Save to CSV file
-        csv_file = os.path.join(output_path, f'{object_id}_data.csv')
-        df.to_csv(csv_file, index=False)
-        
-        print(f'Successfully extracted {len(df)} records from {object_id}')
-        return csv_file
-        """
+
     except Exception as e:
         done = True
         t.do_run = False
diff --git a/prepared_steps/1_extract_data/queries.json b/prepared_steps/1_extract_data/queries.json
index 58f3b46..fb3efa9 100644
--- a/prepared_steps/1_extract_data/queries.json
+++ b/prepared_steps/1_extract_data/queries.json
@@ -35,7 +35,10 @@
             "query": "SELECT Id, ValidTo__c, ValidFrom__c, Country__c, City__c, PostalCode__c, District__c, Street__c, HouseNo__c, Extension__c, FlatNo__c, Floor__c, GeoY__c, GeoX__c, Resource__c, Resource__r.Employee__r.Name, Stock__c, Stock__r.ID2__c FROM SCResourceAssignment__c WHERE Country__c = '{country}' AND ValidTo__c >= TODAY"
         },{
             "sobject": "ContractTemplates",
-            "query": "SELECT id, name, TemplateName__c, status__c, Brand__r.Name, Country__c, Runtime__c FROM sccontract__c WHERE Template__c = null AND Country__c = '{country}'"
+            "query": "SELECT id, name, TemplateName__c, status__c, Brand__r.Name, Country__c, Runtime__c FROM SCContract__c WHERE Template__c = null AND Country__c = '{country}'"
+        },{
+            "sobject": "SCContract__c",
+            "query": "SELECT id, name, Template__c, status__c, Brand__r.Name, Country__c, Runtime__c, EndDate__c, StartDate__c, Account__c, AccountOwner__c, IoT_Registration_Status__c FROM SCContract__c WHERE Template__c != null AND EndDate__c >= TODAY AND Country__c = '{country}' limit 3"
         }
     ]
 }
\ No newline at end of file
diff --git a/prepared_steps/2_transform_via_script/TransformScript.py b/prepared_steps/2_transform_via_script/TransformScript.py
index 97f4943..4ae200c 100644
--- a/prepared_steps/2_transform_via_script/TransformScript.py
+++ b/prepared_steps/2_transform_via_script/TransformScript.py
@@ -24,6 +24,10 @@ country_mapping = {
     'RO': 'Romania'
 }   
 
+##--------------------------------------------------------------------------##
+## Loading Data
+##--------------------------------------------------------------------------##
+
 # Read the input CSV file, assuming the second row is the header
 read_df = pd.read_csv('../1_extract_data/results/SCInstalledBaseLocation__c.csv', header=0, keep_default_na=False, dtype=str)
 read_df_ib = pd.read_csv('../1_extract_data/results/SCInstalledBase__c.csv', header=0, keep_default_na=False, dtype=str)
@@ -35,6 +39,7 @@ read_df_resourceassignment = pd.read_csv('../1_extract_data/results/SCResourceAs
 read_df_address_iot = pd.read_csv('../1_extract_data/results/Address.csv', header=0, keep_default_na=False, dtype=str)
 read_df_location_iot = pd.read_csv('../1_extract_data/results/ParentLocation.csv', header=0, keep_default_na=False, dtype=str)
 read_df_servicecontracttemplates = pd.read_csv('../1_extract_data/results/ContractTemplates.csv', header=0, keep_default_na=False, dtype=str)
+read_df_servicecontracts = pd.read_csv('../1_extract_data/results/SCContract__c.csv', header=0, keep_default_na=False, dtype=str)
 
 # Columns for reindexing
 reindex_columns = ['Id','City__c','Country__c','GeoY__c','GeoX__c','PostalCode__c','Street__c','Extension__c','HouseNo__c','FlatNo__c','Floor__c']
@@ -47,6 +52,7 @@ reindex_columns_resourceassignment = ['Id', 'ValidTo__c', 'ValidFrom__c', 'Count
 reindex_columns_address_iot = ['Id', 'Country', 'CountryCode', 'Street', 'City', 'ParentId', 'PostalCode']
 reindex_columns_location_iot = ['Id', 'Name']
 reindex_columns_servicecontracttemplates = ['Id', 'Name', 'TemplateName__c', 'Status__c', 'Brand__r.Name', 'Country__c', 'Runtime__c']  
+reindex_columns_servicecontracts = ['Id', 'Name', 'Template__c', 'Status__c', 'Brand__r.Name', 'Country__c', 'Runtime__c', 'EndDate__c', 'StartDate__c', 'Account__c', 'AccountOwner__c', 'IoT_Registration_Status__c']
 
 # Reindex the columns to match the desired format
 df = read_df.reindex(reindex_columns, axis=1)
@@ -59,6 +65,7 @@ df_resourceassignment = read_df_resourceassignment.reindex(reindex_columns_resou
 df_address_iot = read_df_address_iot.reindex(reindex_columns_address_iot, axis=1)
 df_location_iot = read_df_location_iot.reindex(reindex_columns_location_iot, axis=1)    
 df_servicecontracttemplates = read_df_servicecontracttemplates.reindex(reindex_columns_servicecontracttemplates, axis=1)
+df_servicecontract = read_df_servicecontracts.reindex(reindex_columns_servicecontracts, axis=1)
 
 ##--------------------------------------------------------------------------##
 ## Update for IoT Addresses and Locations
@@ -449,7 +456,36 @@ df_servicecontracttemplates['FSL_Sold_by__c'] = 'Service'
 
 # Convert Runtime__c (Term) to natural numbers
 df_servicecontracttemplates['Term'] = pd.to_numeric(df_servicecontracttemplates['Term'].str.extract('(\d+)')[0], errors='coerce')
-df_servicecontracttemplates['Term'] = df_servicecontracttemplates['Term'].fillna(12).astype(int)
+df_servicecontracttemplates['Term'] = df_servicecontracttemplates['Term'].fillna(0).astype(int)
+
+##--------------------------------------------------------------------------##
+## Service Contract
+##--------------------------------------------------------------------------##
+
+df_servicecontract['Pricebook2.Name'] = (
+    df_servicecontract['Country__c'].astype(str).fillna('').str.upper() + ' ' +
+    df_servicecontract['Brand__r.Name'].astype(str).fillna('').str.upper() + ' ' +
+    "SERVICE"
+)
+
+df_servicecontract = df_servicecontract.drop('Name', axis=1)
+df_servicecontract = df_servicecontract.drop('Brand__r.Name', axis=1)
+
+df_servicecontract.columns = ['PKey__c', 'TemplateId__r.PKey__c', 'Status', 'BillingCountryCode', 'Term', 'EndDate', 'StartDate', 'AccountId', 'Service_Recipient__c', 'IoT_Registration_Status__c', 'Pricebook2.Name']
+
+df_servicecontract['IoT_Registration_Status__c'] = df_servicecontract['IoT_Registration_Status__c'].replace('', 'Open')
+df_servicecontract['Name'] = df_servicecontract['PKey__c']
+df_servicecontract['TemplateCountry__c'] = df_servicecontract['BillingCountryCode']
+
+#df_servicecontract = df_servicecontract.drop('TemplateId__r.PKey__c', axis=1)
+
+# Convert Runtime__c (Term) to natural numbers
+df_servicecontract['Term'] = pd.to_numeric(df_servicecontract['Term'].str.extract('(\d+)')[0], errors='coerce')
+df_servicecontract['Term'] = df_servicecontract['Term'].fillna(0).astype(int)
+
+##--------------------------------------------------------------------------##
+## Saving to CSV
+##--------------------------------------------------------------------------##
 
 # Write each DataFrame to a separate CSV file
 address_df.to_csv('../4_upsert_address_and_parent_location/Address.csv', index=False)
@@ -461,6 +497,7 @@ df_pricelist.to_csv('../12_insert_pricebook2_and_pricebookentries/Pricebook2.csv
 df_pricelistitem.to_csv('../12_insert_pricebook2_and_pricebookentries/PricebookEntry.csv', index=False)
 merged_df_location_iot.to_csv('../3_update_address_and_location_data_for_migration/Location.csv', index=False)
 df_servicecontracttemplates.to_csv('../13_insert_servicecontracttemplates_dummies/ServiceContract.csv', index=False)
+df_servicecontract.to_csv('../15_insert_servicecontract/ServiceContract_beforetransform.csv', index=False)
 ## end mapping
 
 print('Data has been successfully transformed and saved to CSV files.')
\ No newline at end of file
diff --git a/sf_auth.py b/sf_auth.py
new file mode 100644
index 0000000..36536ed
--- /dev/null
+++ b/sf_auth.py
@@ -0,0 +1,70 @@
+import os
+from dotenv import load_dotenv, find_dotenv
+from simple_salesforce import Salesforce
+
+def get_credentials(context):
+    """
+    Get credentials for a given context from the .env file
+    
+    Args:
+        context (str): Context name (e.g., 'qa2', 'prod')
+    
+    Returns:
+        dict: Credentials dictionary with username, password, and security_token
+    """
+    context = context.upper()
+            
+    # Initialize credentials dictionary
+    credentials = {
+        'USERNAME': None,
+        'PASSWORD': None,
+        'SECURITY_TOKEN': None
+    }
+    
+    if context != 'PROD':
+        credentials['DOMAIN'] = 'test'
+
+    # Load the .env file
+    env_file = find_dotenv(".env")
+    load_dotenv(env_file)
+    
+    # Load all environment variables
+    env_vars = os.environ
+    
+    for key, value in env_vars.items():
+        if f'{context}_SF_' in key:
+            credential_key = key.split(f'{context}_SF_')[-1].upper()
+            credentials[credential_key] = value
+            
+    return credentials
+
+def get_sf_connection(context):
+    """
+    Create Salesforce connection based on context
+    
+    Args:
+        context (str): Context name (e.g., 'qa2', 'prod')
+    
+    Returns:
+        Salesforce: Authenticated Salesforce connection
+    """
+    credentials = get_credentials(context)
+    
+    if not all(credentials.values()):
+        raise ValueError(f"Missing credentials for context: {context}")
+    
+    if context.lower() == 'prod':
+        return Salesforce(
+            username=credentials['USERNAME'],
+            password=credentials['PASSWORD'],
+            security_token=credentials['SECURITY_TOKEN'],
+            version='62.0'
+        )
+    else:
+        return Salesforce(
+            username=credentials['USERNAME'],
+            password=credentials['PASSWORD'],
+            security_token=credentials['SECURITY_TOKEN'],
+            domain=credentials['DOMAIN'],
+            version='62.0'
+        )
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