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FetchXML is a proprietary query language used in Microsoft Dataverse to retrieve data. While FetchXML is primarily designed for querying data, it does not directly convert data into JSON format. Instead, you would typically retrieve the data using FetchXML and then convert the resulting data into JSON format in your application or pipeline.
In a Synapse pipeline, use a Web activity to call the Dataverse Web API with your FetchXML query. This will retrieve the data. The API response will be JSON, but in a specific structure. You'll then need to process this response. Use a Data Flow (for visual transformation) or a Script activity (for more complex logic with languages like Python) to transform the API response into the exact JSON structure you need. This gives you full control over the final JSON output.
This structured approach will help you effectively convert a Dataverse table object to a JSON string in your Synapse pipeline.
For more detailed implementation, you may want to refer to the below documentation on how to use FetchXML with the SDK for .NET or the Dataverse Web API.
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