Recently, lot of our data sources moved to Graph and data access was enabled via GraphQL. There is no Pega OOTB connector for GraphQL. We have a workaround to use REST connector and pass raw query and variables in the request body. This gets really complex for complicated queries, specifying wildcards, filters and all the other items supported by Graph syntax. Having a Connect-Graph can provide an OOTB way to integrate with a Graph data source and easily manipulate queries and variables.
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