# Configure the Flow
In this section, we will create the **actual Microflow logic** using the **Flow Diagram**.\
This example demonstrates how to design a simple Microflow that retrieves data from a database and returns the result as a service response.
***
### Step 1: Add Start Event
1. Open **Microflow Designer**
2. Drag the **Start** node from the **EVENT** tab
3. Drop it onto the design canvas
The Start node marks the entry point of the Microflow.
***
### Step 2: Add Database Task
1. Drag the **Database** node from the **ACTIVITY** tab
2. Drop it next to the Start node
***
### Step 3: Configure Database Task
#### 3.1 General Tab
1. Double‑click the **Database** node
2. In the **General** tab, enter the name:
```
RetrieveUserBenefits
```
***
#### 3.2 Business Object Tab
1. Go to the **Business Object** tab
2. Click **Add Row**
3. Configure:
* **BenefitBO** → Input
* **BenefitBOout\_Avalant** → Output
> **Note**\
> From **version 4.0.0.19**, parameter mapping is performed automatically when input and output use the same Business Object.\
> Manual mapping is required only when using **different Business Objects**.
***
#### 3.3 Map Business Object Parameters
1. Click **Open Mapping Parameter**
2. Map:
* Input → Mapping
* Mapping → Output
3. Click **Done**
***
#### 3.4 Database Parameter Tab (SQL Configuration)
1. Open **Database Parameter**
2. Set:
* **Connection Type**: `JNDI`
* **JNDI Name**: `jdbc/application`
* **Command Type**: `SELECT`
* **Command**:
```
SELECT id, travel_date, project_name, description,
amount, status, benefit_type, username
FROM oneweb_benefit
WHERE benefit_type = ?
AND username = ?
```
***
#### 3.5 Map SQL Input Parameters
1. Click **Open Mapping Parameter**
2. Add parameters:
* `benefit_type`
* `username`
3. Link them from input BO
***
#### 3.6 Map SQL Output Parameters
1. Add output parameters from result set
2. Map them to output Business Object
3. Click **Done**
***
### Step 4: Add End Event
1. Drag the **End** node from the **EVENT** tab
2. Place it after the Database node
***
### Step 5: Connect and Save
1. Connect **Start → Database → End**
2. Click **Save**
***
### Validate the Microflow
Use the **Validate** option to ensure:
* Nodes are connected correctly
* Parameters are mapped
* Configuration is complete
***
### Result
You now have your **first Microflow service** fully configured and ready for execution.\
This Microflow:
* Accepts input parameters
* Queries the database
* Returns structured output
* Is reusable as an integration service
---
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