https://www.autoitscript.com/forum/topic/153520-iuiautomation-ms-framework-automate-chrome-ff-ie/?do=findComment&comment=1156373 
At least we have an element title: [CREATE NEW CASE] class: [TextBlock]

Having the following values for all properties: 
Title is: <CREATE NEW CASE>	Class   := <TextBlock>	controltype:= <UIA_TextControlTypeId>	,<50020>	, (0000C364)	77;98;107;16
*** Parent Information top down ***
3: Title is: <Magnet AXIOM Process 3.5.0.15453>	Class   := <Window>	controltype:= <UIA_WindowControlTypeId>	,<50032>	, (0000C370)	-8;-8;1936;1056
"Title:=Magnet AXIOM Process 3.5.0.15453;controltype:=UIA_WindowControlTypeId;class:=Window""	
2: Title is: <>	Class   := <IefAddOrUpdateCase>	controltype:= <UIA_CustomControlTypeId>	,<50025>	, (0000C369)	2;43;1916;995
"Title:=;controltype:=UIA_CustomControlTypeId;class:=IefAddOrUpdateCase""	
1: Title is: <>	Class   := <ScrollViewer>	controltype:= <UIA_PaneControlTypeId>	,<50033>	, (0000C371)	2;43;1916;995
"Title:=;controltype:=UIA_PaneControlTypeId;class:=ScrollViewer""	
0: Title is: <CREATE NEW CASE>	Class   := <Button>	controltype:= <UIA_ButtonControlTypeId>	,<50000>	, (0000C350)	57;94;147;23
"Title:=CREATE NEW CASE;controltype:=UIA_ButtonControlTypeId;class:=Button""	


;~ *** Standard code maintainable ***
#include "UIAWrappers.au3"
AutoItSetOption("MustDeclareVars", 1)

_UIA_setVar("oP1","Title:=Magnet AXIOM Process 3.5.0.15453;controltype:=UIA_WindowControlTypeId;class:=Window")	;Magnet AXIOM Process 3.5.0.15453
_UIA_setVar("oP2","Title:=;controltype:=UIA_CustomControlTypeId;class:=IefAddOrUpdateCase")	;
_UIA_setVar("oP3","Title:=;controltype:=UIA_PaneControlTypeId;class:=ScrollViewer")	;
_UIA_setVar("oP4","Title:=CREATE NEW CASE;controltype:=UIA_ButtonControlTypeId;class:=Button")	;CREATE NEW CASE

;~ $oUIElement=_UIA_getObjectByFindAll("CREATENEWCASE.mainwindow", "title:=CREATE NEW CASE;ControlType:=UIA_TextControlTypeId", $treescope_subtree)
_UIA_setVar("oUIElement","Title:=CREATE NEW CASE;controltype:=UIA_TextControlTypeId;class:=TextBlock") ;ControlType:=UIA_TextControlTypeId;classname:=TextBlock")

;~ Actions split away from logical/technical definition above can come from configfiles 

;~_UIA_Action("oP1","highlight")
_UIA_Action("oP1","setfocus")
;~_UIA_Action("oP2","highlight")
_UIA_Action("oP2","setfocus")
;~_UIA_Action("oP3","highlight")
_UIA_Action("oP3","setfocus")
;~_UIA_Action("oP4","highlight")
_UIA_Action("oP4","setfocus")

_UIA_action("oUIElement","highlight")
;~_UIA_action("oUIElement","click")


;~ *** Standard code Flexible***
#include "UIAWrappers.au3"
AutoItSetOption("MustDeclareVars", 1)

Local $oP3=_UIA_getObjectByFindAll($UIA_oDesktop, "Title:=Magnet AXIOM Process 3.5.0.15453;controltype:=UIA_WindowControlTypeId;class:=Window", $treescope_children)	
_UIA_Action($oP3,"setfocus")
Local $oP2=_UIA_getObjectByFindAll($oP3, "Title:=;controltype:=UIA_CustomControlTypeId;class:=IefAddOrUpdateCase", $treescope_children)	
Local $oP1=_UIA_getObjectByFindAll($oP2, "Title:=;controltype:=UIA_PaneControlTypeId;class:=ScrollViewer", $treescope_children)	
Local $oP0=_UIA_getObjectByFindAll($oP1, "Title:=CREATE NEW CASE;controltype:=UIA_ButtonControlTypeId;class:=Button", $treescope_children)	
;~ First find the object in the parent before you can do something
;~$oUIElement=_UIA_getObjectByFindAll("CREATENEWCASE.mainwindow", "title:=CREATE NEW CASE;ControlType:=UIA_TextControlTypeId", $treescope_subtree)
Local $oUIElement=_UIA_getObjectByFindAll($oP0, "title:=CREATE NEW CASE;ControlType:=UIA_TextControlTypeId", $treescope_subtree)
;~_UIA_action($oUIElement,"highlight")
_UIA_action($oUIElement,"click")


*** Detailed properties of the highlighted element ***
UIA_title:= <CREATE NEW CASE>
UIA_text:= <CREATE NEW CASE>
UIA_regexptitle:= <CREATE NEW CASE>
UIA_class:= <TextBlock>
UIA_regexpclass:= <TextBlock>
UIA_iaccessiblechildId:= <0>
UIA_handle:= <0>
UIA_RuntimeId:= <7;1340;26553952>
UIA_BoundingRectangle:= <77;98;107;16>
UIA_ProcessId:= <1340>
UIA_ControlType:= <50020>
UIA_LocalizedControlType:= <text>
UIA_Name:= <CREATE NEW CASE>
UIA_HasKeyboardFocus:= <False>
UIA_IsKeyboardFocusable:= <False>
UIA_IsEnabled:= <True>
UIA_ClassName:= <TextBlock>
UIA_ClickablePoint:= <130;106>
UIA_Culture:= <0>
UIA_IsControlElement:= <True>
UIA_IsContentElement:= <True>
UIA_IsPassword:= <False>
UIA_NativeWindowHandle:= <0>
UIA_IsOffscreen:= <False>
UIA_Orientation:= <0>
UIA_FrameworkId:= <WPF>
UIA_IsRequiredForForm:= <False>
UIA_IsDockPatternAvailable:= <False>
UIA_IsExpandCollapsePatternAvailable:= <False>
UIA_IsGridItemPatternAvailable:= <False>
UIA_IsGridPatternAvailable:= <False>
UIA_IsInvokePatternAvailable:= <False>
UIA_IsMultipleViewPatternAvailable:= <False>
UIA_IsRangeValuePatternAvailable:= <False>
UIA_IsScrollPatternAvailable:= <False>
UIA_IsScrollItemPatternAvailable:= <False>
UIA_IsSelectionItemPatternAvailable:= <False>
UIA_IsSelectionPatternAvailable:= <False>
UIA_IsTablePatternAvailable:= <False>
UIA_IsTableItemPatternAvailable:= <False>
UIA_IsTextPatternAvailable:= <False>
UIA_IsTogglePatternAvailable:= <False>
UIA_IsTransformPatternAvailable:= <False>
UIA_IsValuePatternAvailable:= <False>
UIA_IsWindowPatternAvailable:= <False>
UIA_ValueIsReadOnly:= <True>
UIA_RangeValueValue:= <0>
UIA_RangeValueIsReadOnly:= <True>
UIA_RangeValueMinimum:= <0>
UIA_RangeValueMaximum:= <0>
UIA_RangeValueLargeChange:= <0>
UIA_RangeValueSmallChange:= <0>
UIA_ScrollHorizontalScrollPercent:= <0>
UIA_ScrollHorizontalViewSize:= <100>
UIA_ScrollVerticalScrollPercent:= <0>
UIA_ScrollVerticalViewSize:= <100>
UIA_ScrollHorizontallyScrollable:= <False>
UIA_ScrollVerticallyScrollable:= <False>
UIA_SelectionCanSelectMultiple:= <False>
UIA_SelectionIsSelectionRequired:= <False>
UIA_GridRowCount:= <0>
UIA_GridColumnCount:= <0>
UIA_GridItemRow:= <0>
UIA_GridItemColumn:= <0>
UIA_GridItemRowSpan:= <1>
UIA_GridItemColumnSpan:= <1>
UIA_DockDockPosition:= <5>
UIA_ExpandCollapseExpandCollapseState:= <3>
UIA_MultipleViewCurrentView:= <0>
UIA_WindowCanMaximize:= <False>
UIA_WindowCanMinimize:= <False>
UIA_WindowWindowVisualState:= <0>
UIA_WindowWindowInteractionState:= <0>
UIA_WindowIsModal:= <False>
UIA_WindowIsTopmost:= <False>
UIA_SelectionItemIsSelected:= <False>
UIA_TableRowOrColumnMajor:= <2>
UIA_ToggleToggleState:= <2>
UIA_TransformCanMove:= <False>
UIA_TransformCanResize:= <False>
UIA_TransformCanRotate:= <False>
UIA_IsLegacyIAccessiblePatternAvailable:= <True>
UIA_LegacyIAccessibleChildId:= <0>
UIA_LegacyIAccessibleName:= <CREATE NEW CASE>
UIA_LegacyIAccessibleRole:= <41>
UIA_LegacyIAccessibleState:= <0>
UIA_IsDataValidForForm:= <False>
UIA_ProviderDescription:= <[pid:1340,providerId:0x0 Main(parent link):Unidentified Provider (managed:MS.Internal.Automation.ElementProxy, PresentationCore, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35)]>
UIA_IsItemContainerPatternAvailable:= <False>
UIA_IsVirtualizedItemPatternAvailable:= <False>
UIA_IsSynchronizedInputPatternAvailable:= <True>
UIA_OptimizeForVisualContent:= <False>
UIA_IsObjectModelPatternAvailable:= <False>
UIA_AnnotationAnnotationTypeId:= <60000>
UIA_IsAnnotationPatternAvailable:= <False>
UIA_IsTextPattern2Available:= <False>
UIA_StylesStyleId:= <0>
UIA_StylesFillColor:= <0>
UIA_StylesFillPatternColor:= <0>
UIA_IsStylesPatternAvailable:= <False>
UIA_IsSpreadsheetPatternAvailable:= <False>
UIA_IsSpreadsheetItemPatternAvailable:= <False>
UIA_Transform2CanZoom:= <False>
UIA_IsTransformPattern2Available:= <False>
UIA_LiveSetting:= <0>
UIA_IsTextChildPatternAvailable:= <False>
UIA_IsDragPatternAvailable:= <False>
UIA_DragIsGrabbed:= <False>
UIA_IsDropTargetPatternAvailable:= <False>
UIA_Transform2ZoomLevel:= <1>
UIA_Transform2ZoomMinimum:= <1>
UIA_Transform2ZoomMaximum:= <1>
UIA_IsTextEditPatternAvailable:= <False>
UIA_IsPeripheral:= <False>
UIA_IsCustomNavigationPatternAvailable:= <False>
UIA_PositionInSet:= <0>
UIA_SizeOfSet:= <0>
UIA_Level:= <0>
UIA_LandmarkType:= <0>
UIA_FillType:= <0>
UIA_VisualEffects:= <0>
UIA_IsSelectionPattern2Available:= <False>
UIA_Selection2ItemCount:= <0>
UIA_HeadingLevel:= <80050>