Dashboard Designer (DD) – How to Use Data Sources Provided by VFC in DD

Details

To use the flow from VFC as a data source in DD, certain configurations need to be made in VFC.

1. Creating a VFC Flow

Creating an HTTP-IN Node

As shown below, the first step is to create a HTTP IN node in VFC. Then, specify the path exposed by this HTTP node at the Endpoint; next, you need to generate a key. Click the Generate button to produce a key. After the key is generated, ensure that the selected key in Available Keys has not expired. Additionally, in the Access options, make sure that Public access using keys is currently selected.

For reference, see the image below:

Creating an HTTP RESPONSE Node

Next, add an HTTP response node at the end of the current flow:

Verifying the Current HTTP Node Functionality

Copy the externally exposed URL:

Paste it into your browser to access it (the URL here is just a reference; users need to replace it with their own copied URL): https://mdspsupp-visualflowcreatorhttp.eu1.mindsphere.io/public/mdspsupp/exapi/assets?key=4892ecdbda3cb67087da5741a4c25a577470cb................xxx

As shown in the image above, the current VFC flow is functioning correctly and returning data.

2. Configuring VFC Flow Data Source in DD

Enter DD, and in the Dashboard editing interface, locate the VFC flow data source. Specify the Endpoint (in this case: /exapi/assets) as directed by the user.

After selecting it, the current panel will display the data returned from VFC: