how to use CreateSelectionFromString?

[DengXing]

I have tried many times the steps mentioned in this post - https://community.ptc.com/t5/Customization/Example-of-CreateSelectionFromString/m-p/84160#M163
But I can't do it. Can you explain it in detail?
Thank you.

[VladimirN]

@WebOfMadness 

[YaroslavSin]

From the documentation

    SelectionString
        The selection string. The string should follow the following formats (items in brackets [] are optional): TopLevelObject:[SubAsm]:[SubAs:LeafComponent]/[ModelItem]

        The top level object should provided as: "name.type"

        Each component in the path can have one of the following formats:

            "name.type"
            "name.type(#comp_id)"
            "name.type(comp_name)"

        The component name is the name of the component feature in the context of its parent assembly.

        The model item can have one of the following formats:

            "itemtype(#item_id)
            "itemtype(item_name)

        Itemtype must one of the following:

            Feature
            Dimension

Please, describe what object do you want to select.