Could you provide some more details please? Eg. What kind of object do you want to show or hide? Table? column? visualization
Generally, in a table you can limit data by custom expression and use the property within that custom expression. Properties can also be related to specific columns. For visualizations, you would have to write IronPython scripts to make changes to the page / visualization based on custom properties.
Here are a few documentation and wiki links that can help: