In "CATALOG" in the UI:

• Add "TOSCA Type" checkbox under "Type" on the same level as "Resouce" and "Service"
• Add "Data type" checkbox under "TOSCA type"
• A tile shall be displayed for a each data type similar to the tiles for VFC etc
• The following shall be displayed on the tile:
  • "Data Type"
  • Data type name
  • Model
• Display of the data types shall be controlled by the selection/de-selection of the checkboxes
• Selection of the "Data type" checkbox shall also result in the parent "TOSCA Type" checkbox being checked (as its only child is selected). Likewise, selection of the "TOSCA Type" checkbox shall result on all of its children (with "Data type" being the only child) being selected
• Filtering based on model shall work 
• Selection of a "status" checkbox shall have no effect on display of data types as the given statuses do not apply to data types
• Ordering shall work as today
• Scope is only to display the tiles, selection of a data type is out of scope of this story