Autogenerated property names for ItemRenderers are usualy 'text1', 'text2', 'image1', etc.
In fact item renderers are applied to value objects with more specific property names (like 'price', 'name', 'photo', etc.)
Flash Catalyst user should have tools to set these names. Just double click on respective Design-Time Data table header and change the name (e.g. change 'text1' to 'title') and thus the code generated will be instead of
That will really help building custom ItemRenderers for previously specified data structures.