diff --git a/src/anamnesisai/anamnesisai.py b/src/anamnesisai/anamnesisai.py
index dd0b80e..0d2b2b7 100644
--- a/src/anamnesisai/anamnesisai.py
+++ b/src/anamnesisai/anamnesisai.py
@@ -1 +1,62 @@
-"""Main module."""
+
+from langchain import OpenAI
+from langchain.utilities import SQLDatabase
+from langchain_experimental.sql import SQLDatabaseChain
+from langchain.prompts import SemanticSimilarityExampleSelector
+from langchain.embeddings import HuggingFaceEmbeddings
+from langchain.vectorstores import Chroma
+from langchain.prompts import FewShotPromptTemplate
+from langchain.chains.sql_database.prompt import PROMPT_SUFFIX, _mysql_prompt
+from langchain.prompts.prompt import PromptTemplate
+
+
+import getpass
+import os
+# from dotenv import load_dotenv
+# load_dotenv()  
+
+
+import json
+
+
+with open("resource_templates.json", "r") as f:
+    resource_templates = json.load(f)
+
+def db_chain():
+    db_user = "root"
+    db_password = "root"
+    db_host = "localhost"
+    db_name = "Fhir"
+
+    db = SQLDatabase.from_uri(f"mysql+pymysql://{db_user}:{db_password}@{db_host}/{db_name}",
+                              sample_rows_in_table_info=3)
+    llm = OpenAI(openai_api_key=os.environ["API_KEY"], temperature=0.7)
+
+    embeddings = HuggingFaceEmbeddings(model_name='sentence-transformers/all-MiniLM-L6-v2')
+    to_vectorize = [" ".join(example.values()) for example in database]
+    vectorstore = Chroma.from_texts(to_vectorize, embeddings, metadatas=database) # need to create a database file to share the format of sql database
+    example_selector = SemanticSimilarityExampleSelector(
+        vectorstore=vectorstore,
+        k=2,
+    )
+    fhir_prompt = """You are a FHIR Resource generating expert. Given a converstion between doctor and patient, first create a syntactically correct FHIR resource in JSON Format as specified by the user then look at the results  and return the FHIR resource to the input conversation.
+    Never create random values for values that are not present in the conversation. You must only the columns that are needed to answer the question. Wrap each column name in backticks (`) to denote them as delimited identifiers.
+    Generate the following FHIR resources based on the conversation and exam:
+    Patient: Capture the patient's demographics and medical history details.
+    Practitioner: Identify the doctor involved in the encounter.
+    Encounter: Describe the patient-doctor interaction, including the reason for the visit.
+    Observation: Record the patient's reported symptoms and the physical exam findings.
+
+    Use clear and concise language for each resource. Maintain patient confidentiality and adhere to HIPAA regulations. Strive for accuracy and consistency in your FHIR structures.
+    resource_template = resource_templates["resource"]
+    No pre-amble.
+    """
+
+   example_prompt = PromptTemplate(
+    input_variables=["Conversation"],
+    template="\nConversation: {Conversation}\nFhir: {Resource}\nResource Template: {ResourceTemplate}",
+)
+
+    
+    chain = SQLDatabaseChain.from_llm(llm, db, verbose=True, prompt=few_shot_prompt)
+    return chain
diff --git a/src/anamnesisai/resource_templates.json b/src/anamnesisai/resource_templates.json
new file mode 100644
index 0000000..c2bb444
--- /dev/null
+++ b/src/anamnesisai/resource_templates.json
@@ -0,0 +1,168 @@
+"comments": "patient"
+ {
+  "resourceType": "Patient",
+  "id": "<Patient ID>",
+  "active": true,
+  "name": [
+    {
+      "use": "official",
+      "text": "<Patient Full Name>"
+    }
+  ],
+  "telecom": [
+    {
+      "system": "phone",
+      "value": "<Patient Phone Number>"
+    },
+    {
+      "system": "email",
+      "value": "<Patient Email Address>"
+    }
+  ],
+  "birthDate": "<Patient Date of Birth>",
+  "gender": "<Patient Gender>",
+  "maritalStatus": {
+    "coding": [
+      {
+        "system": "<Marital Status Coding System>",
+        "code": "<Marital Status Code>"
+      }
+    ]
+  },
+  "address": [
+    {
+      "use": "home",
+      "text": "<Patient Address>"
+    }
+  ]
+}
+"comments": "Practitioner"
+{
+  "resourceType": "Practitioner",
+  "id": "<Practitioner ID>",
+  "active": true,
+  "name": [
+    {
+      "use": "official",
+      "text": "<Practitioner Full Name>"
+    }
+  ],
+  "telecom": [
+    {
+      "system": "phone",
+      "value": "<Practitioner Phone Number>"
+    }
+  ]
+}
+
+"comments": "Encounter"
+
+{
+  "resourceType": "Encounter",
+  "id": "<Encounter ID>",
+  "status": "finished",
+  "subject": {
+    "reference": "Patient/<Patient ID>"
+  },
+  "participant": [
+    {
+      "type": [
+        {
+          "coding": [
+            {
+              "system": "http://terminology.hl7.org/CodeSystem/encounter-participant-type",
+              "code": "TPA"
+            }
+          ]
+        }
+      ],
+      "actor": {
+        "reference": "Practitioner/<Practitioner ID>"
+      }
+    }
+  ],
+  "reasonCode": [
+    {
+      "coding": [
+        {
+          "system": "<Reason Code System>",
+          "code": "<Reason Code>"
+        }
+      ]
+    }
+  ]
+}
+
+"comments": "Observation"
+
+{
+  "resourceType": "Observation",
+  "id": "<Observation ID>",
+  "status": "final",
+  "subject": {
+    "reference": "Patient/<Patient ID>"
+  },
+  "category": {
+    "coding": [
+      {
+        "system": "<Observation Category Coding System>",
+        "code": "<Observation Category Code>"
+      }
+    ]
+  },
+  "code": {
+    "coding": [
+      {
+        "system": "<Observation Code System>",
+        "code": "<Observation Code>"
+      }
+    ]
+  },
+  "value": "<Observation Value>"  
+}
+
+"comments": "DiagnosticReport"
+{
+  "resourceType": "DiagnosticReport",
+  "id": "<Placeholder: diisi setelah hasil pemeriksaan tersedia>"
+}
+
+"comments": "Condition"
+
+{
+  "resourceType": "Condition",
+  "id": "<Placeholder: diisi setelah diagnosis tersedia>"
+}
+
+
+"comments":"MedicationRequest"
+
+
+{
+  "resourceType": "MedicationRequest",
+  "id": "<Placeholder: diisi setelah prescription details tersedia>"
+}
+
+"comments": "CarePlan"
+
+ {
+  "resourceType": "CarePlan",
+  "id": "<Placeholder: diisi setelah care plan tersedia>"
+}
+
+"comments": "Procedure"
+
+ {
+  "resourceType": "Procedure",
+  "id": "<Placeholder: diisi setelah procedures tersedia>"
+}
+
+"comments": "AllergyIntolerance"
+ {
+  "resourceType": "AllergyIntolerance",
+  "id": "<AllergyIntolerance ID>",
+  "patient": {
+    "reference": "Patient/<Patient ID>"
+  }
+ }
+  
diff --git a/src/anamnesisai/templates/allergy.json b/src/anamnesisai/templates/allergy.json
new file mode 100644
index 0000000..84343a9
--- /dev/null
+++ b/src/anamnesisai/templates/allergy.json
@@ -0,0 +1,12 @@
+{
+  "AllergyIntolerance": {
+    "resourceType": "AllergyIntolerance",
+    "id": "<AllergyIntolerance ID>",
+    "patient": {
+      "reference": "Patient/<Patient ID>"
+    },
+    "substance": {
+      "coding": []
+    }
+  }
+}
diff --git a/src/anamnesisai/templates/careplan.json b/src/anamnesisai/templates/careplan.json
new file mode 100644
index 0000000..6071e87
--- /dev/null
+++ b/src/anamnesisai/templates/careplan.json
@@ -0,0 +1,4 @@
+{
+  "resourceType": "CarePlan",
+  "id": "<Placeholder: diisi setelah care plan tersedia>"
+}
diff --git a/src/anamnesisai/templates/condition.json b/src/anamnesisai/templates/condition.json
new file mode 100644
index 0000000..06d88ae
--- /dev/null
+++ b/src/anamnesisai/templates/condition.json
@@ -0,0 +1,4 @@
+{
+  "resourceType": "Condition",
+  "id": "<Placeholder: diisi setelah diagnosis tersedia>"
+}
diff --git a/src/anamnesisai/templates/diagnostic_report.json b/src/anamnesisai/templates/diagnostic_report.json
new file mode 100644
index 0000000..dc94468
--- /dev/null
+++ b/src/anamnesisai/templates/diagnostic_report.json
@@ -0,0 +1,4 @@
+{
+  "resourceType": "DiagnosticReport",
+  "id": "<Placeholder: diisi setelah hasil pemeriksaan tersedia>"
+}
diff --git a/src/anamnesisai/templates/encounter.json b/src/anamnesisai/templates/encounter.json
new file mode 100644
index 0000000..d70447e
--- /dev/null
+++ b/src/anamnesisai/templates/encounter.json
@@ -0,0 +1,35 @@
+{
+  "resourceType": "Encounter",
+  "id": "<Encounter ID>",
+  "status": "finished",
+  "subject": {
+    "reference": "Patient/<Patient ID>"
+  },
+  "participant": [
+    {
+      "type": [
+        {
+          "coding": [
+            {
+              "system": "http://terminology.hl7.org/CodeSystem/encounter-participant-type",
+              "code": "TPA"
+            }
+          ]
+        }
+      ],
+      "actor": {
+        "reference": "Practitioner/<Practitioner ID>"
+      }
+    }
+  ],
+  "reasonCode": [
+    {
+      "coding": [
+        {
+          "system": "<Reason Code System>",
+          "code": "<Reason Code>"
+        }
+      ]
+    }
+  ]
+}
diff --git a/src/anamnesisai/templates/medication_request.json b/src/anamnesisai/templates/medication_request.json
new file mode 100644
index 0000000..3801772
--- /dev/null
+++ b/src/anamnesisai/templates/medication_request.json
@@ -0,0 +1,4 @@
+{
+  "resourceType": "MedicationRequest",
+  "id": "<Placeholder: diisi setelah prescription details tersedia>"
+}
diff --git a/src/anamnesisai/templates/observation.json b/src/anamnesisai/templates/observation.json
new file mode 100644
index 0000000..4ddd3aa
--- /dev/null
+++ b/src/anamnesisai/templates/observation.json
@@ -0,0 +1,25 @@
+{
+  "resourceType": "Observation",
+  "id": "<Observation ID>",
+  "status": "final",
+  "subject": {
+    "reference": "Patient/<Patient ID>"
+  },
+  "category": {
+    "coding": [
+      {
+        "system": "<Observation Category Coding System>",
+        "code": "<Observation Category Code>"
+      }
+    ]
+  },
+  "code": {
+    "coding": [
+      {
+        "system": "<Observation Code System>",
+        "code": "<Observation Code>"
+      }
+    ]
+  },
+  "value": "<Observation Value>"
+}
diff --git a/src/anamnesisai/templates/patients.json b/src/anamnesisai/templates/patients.json
new file mode 100644
index 0000000..41fb940
--- /dev/null
+++ b/src/anamnesisai/templates/patients.json
@@ -0,0 +1,37 @@
+{
+  "resourceType": "Patient",
+  "id": "<Patient ID>",
+  "active": true,
+  "name": [
+    {
+      "use": "official",
+      "text": "<Patient Full Name>"
+    }
+  ],
+  "telecom": [
+    {
+      "system": "phone",
+      "value": "<Patient Phone Number>"
+    },
+    {
+      "system": "email",
+      "value": "<Patient Email Address>"
+    }
+  ],
+  "birthDate": "<Patient Date of Birth>",
+  "gender": "<Patient Gender>",
+  "maritalStatus": {
+    "coding": [
+      {
+        "system": "<Marital Status Coding System>",
+        "code": "<Marital Status Code>"
+      }
+    ]
+  },
+  "address": [
+    {
+      "use": "home",
+      "text": "<Patient Address>"
+    }
+  ]
+}
diff --git a/src/anamnesisai/templates/practitioner.json b/src/anamnesisai/templates/practitioner.json
new file mode 100644
index 0000000..54b4347
--- /dev/null
+++ b/src/anamnesisai/templates/practitioner.json
@@ -0,0 +1,17 @@
+{
+  "resourceType": "Practitioner",
+  "id": "<Practitioner ID>",
+  "active": true,
+  "name": [
+    {
+      "use": "official",
+      "text": "<Practitioner Full Name>"
+    }
+  ],
+  "telecom": [
+    {
+      "system": "phone",
+      "value": "<Practitioner Phone Number>"
+    }
+  ]
+}
diff --git a/src/anamnesisai/templates/procedure.json b/src/anamnesisai/templates/procedure.json
new file mode 100644
index 0000000..f2ba960
--- /dev/null
+++ b/src/anamnesisai/templates/procedure.json
@@ -0,0 +1,4 @@
+{
+  "resourceType": "Procedure",
+  "id": "<Placeholder: diisi setelah procedures tersedia>"
+}