Here is a brief overview of complex attribute types. These attribute types are common for various groups of components.
Links to corresponding sections follow:
When you need to specify some file in a component, you need to use URL File Dialog.
Some components use a specific metadata structure on their ports. The connected edges can be easily assigned metadata from predefined templates. See Metadata Templates.
Some components can be configured with a time interval (usually a delay or a timeout). See Time Intervals for an overview of the syntax of time interval specification.
In some of the components, records must be grouped according to the values of a group key. In this key, neither the order of key fields nor the sort order are of importance. See Group Key.
In some of the components, records must be grouped and sorted according to the values of a sort key. In this key, both the order of key fields and the sort order are of importance. See Sort Key.
In many components from different groups of components, a transformation can be or must be defined. See Defining Transformations.