I have created two visuals, one with a default title and the other with a custom title.
The below outputs are from the PBIX layout file, where I am only able to fetch the title of visuals where I assigned a custom value. FOr visual with auto-generated title, we are not getting titles in the pbix layout response.
Sample response of the AutoFilled Title visual: We are not getting the title as part of the response.
{ "id":13113670053, "x":10.0000000000, "y":0.0000000000, "z":0.0000000000, "width":280.0000000000, "height":280.0000000000, "config":"{\"name\":\"b902cfbddebbf32057c2\",\"layouts\":[{\"id\":0,\"position\":{\"x\":10,\"y\":0,\"width\":280,\"height\":280,\"z\":0,\"tabOrder\":0}}],\"singleVisual\":{\"visualType\":\"map\",\"projections\":{\"Series\":[{\"queryRef\":\"Customer_Orders.CustomerID\"}],\"Y\":[{\"queryRef\":\"Customer_Orders.City\"}]},\"prototypeQuery\":{\"Version\":2,\"From\":[{\"Name\":\"c\",\"Entity\":\"Customer_Orders\",\"Type\":0}],\"Select\":[{\"Column\":{\"Expression\":{\"SourceRef\":{\"Source\":\"c\"}},\"Property\":\"CustomerID\"},\"Name\":\"Customer_Orders.CustomerID\",\"NativeReferenceName\":\"CustomerID\"},{\"Column\":{\"Expression\":{\"SourceRef\":{\"Source\":\"c\"}},\"Property\":\"City\"},\"Name\":\"Customer_Orders.City\",\"NativeReferenceName\":\"City\"}]},\"drillFilterOtherVisuals\":true}}", "filters":"[]", "query":"{\"Commands\":[{\"SemanticQueryDataShapeCommand\":{\"Query\":{\"Version\":2,\"From\":[{\"Name\":\"c\",\"Entity\":\"Customer_Orders\",\"Type\":0}],\"Select\":[{\"Column\":{\"Expression\":{\"SourceRef\":{\"Source\":\"c\"}},\"Property\":\"CustomerID\"},\"Name\":\"Customer_Orders.CustomerID\",\"NativeReferenceName\":\"CustomerID\"},{\"Column\":{\"Expression\":{\"SourceRef\":{\"Source\":\"c\"}},\"Property\":\"City\"},\"Name\":\"Customer_Orders.City\",\"NativeReferenceName\":\"City\"}]},\"Binding\":{\"Primary\":{\"Groupings\":[{\"Projections\":[0,1]}]},\"DataReduction\":{\"DataVolume\":4,\"Primary\":{\"OverlappingPointsSample\":{\"Y\":{\"Index\":1}}}},\"Version\":1},\"ExecutionMetricsKind\":1}}]}", "dataTransforms":"{\"projectionOrdering\":{\"Series\":[0],\"Category\":[],\"Y\":[1]},\"queryMetadata\":{\"Select\":[{\"Restatement\":\"CustomerID\",\"Name\":\"Customer_Orders.CustomerID\",\"Type\":2048},{\"Restatement\":\"City\",\"Name\":\"Customer_Orders.City\",\"Type\":2048}],\"Filters\":[{\"type\":0,\"expression\":{\"Column\":{\"Expression\":{\"SourceRef\":{\"Entity\":\"Customer_Orders\"}},\"Property\":\"CustomerID\"}}},{\"type\":0,\"expression\":{\"Column\":{\"Expression\":{\"SourceRef\":{\"Entity\":\"Customer_Orders\"}},\"Property\":\"City\"}}}]},\"visualElements\":[{\"DataRoles\":[{\"Name\":\"Series\",\"Projection\":0,\"isActive\":false},{\"Name\":\"Y\",\"Projection\":1,\"isActive\":false}]}],\"selects\":[{\"displayName\":\"CustomerID\",\"queryName\":\"Customer_Orders.CustomerID\",\"roles\":{\"Series\":true},\"type\":{\"category\":null,\"underlyingType\":1},\"expr\":{\"Column\":{\"Expression\":{\"SourceRef\":{\"Entity\":\"Customer_Orders\"}},\"Property\":\"CustomerID\"}}},{\"displayName\":\"City\",\"queryName\":\"Customer_Orders.City\",\"roles\":{\"Y\":true},\"type\":{\"category\":null,\"underlyingType\":1},\"expr\":{\"Column\":{\"Expression\":{\"SourceRef\":{\"Entity\":\"Customer_Orders\"}},\"Property\":\"City\"}}}]}" }
Sample response of visual where we get the Visual Title: vcObjects\":{\"title\":[{\"properties\":{\"text\":{\"expr\":{\"Literal\":{\"Value\":\"'countryVScustomer'\"}
{ "id":13113670052, "x":10.0000000000, "y":290.0000000000, "z":1.0000000000, "width":280.0000000000, "height":280.0000000000, "config":"{\"name\":\"38ea673202f3d69f97b1\",\"layouts\":[{\"id\":0,\"position\":{\"x\":10,\"y\":290,\"width\":280,\"height\":280,\"z\":1,\"tabOrder\":1}}],\"singleVisual\":{\"visualType\":\"map\",\"projections\":{\"Series\":[{\"queryRef\":\"Customer_Orders.Country\"}],\"Y\":[{\"queryRef\":\"Customer_Orders.CustomerID\"}]},\"prototypeQuery\":{\"Version\":2,\"From\":[{\"Name\":\"c\",\"Entity\":\"Customer_Orders\",\"Type\":0}],\"Select\":[{\"Column\":{\"Expression\":{\"SourceRef\":{\"Source\":\"c\"}},\"Property\":\"CustomerID\"},\"Name\":\"Customer_Orders.CustomerID\",\"NativeReferenceName\":\"CustomerID\"},{\"Column\":{\"Expression\":{\"SourceRef\":{\"Source\":\"c\"}},\"Property\":\"Country\"},\"Name\":\"Customer_Orders.Country\",\"NativeReferenceName\":\"Country\"}]},\"drillFilterOtherVisuals\":true,\"vcObjects\":{\"title\":[{\"properties\":{\"text\":{\"expr\":{\"Literal\":{\"Value\":\"'countryVScustomer'\"}}}}}]}}}", "filters":"[]", "query":"{\"Commands\":[{\"SemanticQueryDataShapeCommand\":{\"Query\":{\"Version\":2,\"From\":[{\"Name\":\"c\",\"Entity\":\"Customer_Orders\",\"Type\":0}],\"Select\":[{\"Column\":{\"Expression\":{\"SourceRef\":{\"Source\":\"c\"}},\"Property\":\"CustomerID\"},\"Name\":\"Customer_Orders.CustomerID\",\"NativeReferenceName\":\"CustomerID\"},{\"Column\":{\"Expression\":{\"SourceRef\":{\"Source\":\"c\"}},\"Property\":\"Country\"},\"Name\":\"Customer_Orders.Country\",\"NativeReferenceName\":\"Country\"}]},\"Binding\":{\"Primary\":{\"Groupings\":[{\"Projections\":[0,1]}]},\"DataReduction\":{\"DataVolume\":4,\"Primary\":{\"OverlappingPointsSample\":{\"Y\":{\"Index\":0}}}},\"Version\":1},\"ExecutionMetricsKind\":1}}]}", "dataTransforms":"{\"projectionOrdering\":{\"Category\":[],\"Series\":[1],\"Y\":[0]},\"queryMetadata\":{\"Select\":[{\"Restatement\":\"CustomerID\",\"Name\":\"Customer_Orders.CustomerID\",\"Type\":2048},{\"Restatement\":\"Country\",\"Name\":\"Customer_Orders.Country\",\"Type\":2048}],\"Filters\":[{\"type\":0,\"expression\":{\"Column\":{\"Expression\":{\"SourceRef\":{\"Entity\":\"Customer_Orders\"}},\"Property\":\"CustomerID\"}}},{\"type\":0,\"expression\":{\"Column\":{\"Expression\":{\"SourceRef\":{\"Entity\":\"Customer_Orders\"}},\"Property\":\"Country\"}}}]},\"visualElements\":[{\"DataRoles\":[{\"Name\":\"Series\",\"Projection\":1,\"isActive\":false},{\"Name\":\"Y\",\"Projection\":0,\"isActive\":false}]}],\"selects\":[{\"displayName\":\"CustomerID\",\"queryName\":\"Customer_Orders.CustomerID\",\"roles\":{\"Y\":true},\"type\":{\"category\":null,\"underlyingType\":1},\"expr\":{\"Column\":{\"Expression\":{\"SourceRef\":{\"Entity\":\"Customer_Orders\"}},\"Property\":\"CustomerID\"}}},{\"displayName\":\"Country\",\"queryName\":\"Customer_Orders.Country\",\"roles\":{\"Series\":true},\"type\":{\"category\":null,\"underlyingType\":1},\"expr\":{\"Column\":{\"Expression\":{\"SourceRef\":{\"Entity\":\"Customer_Orders\"}},\"Property\":\"Country\"}}}]}" },