1# Network Subsystem Changelog
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3## cl.net.1 vpn.createVpnConnection Changed from Public API to System API
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5**Change Impact**
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7Before the change, VPN functions are available only for system applications and related APIs are defined as system APIs. **vpn.createVpnConnection** is a public API, but the returned **VpnConnection** is a system API. This inconsistency results in unavailable VPN functions.
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9After the change, **vpn.createVpnConnection** is changed to a system API. All VPN-specific APIs are system APIs.
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11**Key API/Component Changes**
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13**vpn.createVpnConnection** is changed to a system API.
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15**Adaptation Guide**
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17To use VPN functions, use the full-SDK and change the value of **app-feature** in the **HarmonyAppProvision** file to **hos_system_app** (system application).
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