# Add contacts to a campaign via Flow Studio
🧱 **Step 1: Add the “Add Contact To Campaign” Node**\
In Flow Studio, start by adding the **Add Contact To Campaign** node to your flow.
1. Open the **Templates** panel
2. Search for **"Add Contacts To Campaign"**
3. Drag and drop the node into your flow
This node allows you to send contacts into a voice campaign directly from your data source. In the next steps, you’ll connect it to a list of leads from tools like HubSpot.
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🧱 **Step 2: What the “Add Contact To Campaign” Node Does**\
This node sends each contact into a specific Dapta campaign.
You must provide:
* ✅ **Campaign name** (already created in Dapta)
* 📞 **Valid phone number**
* 🔑 Optional mapped fields (e.g., name, email, external ID)
🚫 Contacts missing phone numbers or with invalid formatting will be skipped automatically.
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🚀 **Step 3: Example Flow**
**Goal**: Sync all new HubSpot leads created after yesterday into a campaign.
#### 🛠 Node Breakdown:
1️⃣ **Trigger** – Scheduled Task (e.g., daily at 8 AM)\
2️⃣ **Search Record (HubSpot)** – Pulls new contacts using filters like `createdate > yesterday`\
3️⃣ **Loop List** – Iterates through each matching contact\
4️⃣ **Add Contact To Campaign** – Sends each contact to Dapta with mapped values:
| Property | Value |
| ------------- | ------------------------------------------- |
| Phone Number | `{{contacts.item.properties.phone}}` |
| Contact Name | `{{contacts.item.properties.firstname}}` |
| Contact Email | `{{contacts.item.properties.email}}` |
| External ID | `{{contacts.item.properties.hs_object_id}}` |
