You can define custom and file/directory resources available to a node in the Administrator tool. When you define a custom or file/directory resource, you assign a resource name. The resource name is a logical name that you create to identify the resource.
You assign the resource to a PowerCenter task or PowerCenter mapping object instance using this name. To coordinate resource usage, you may want to use a naming convention for file/directory and custom resources.
To define a custom or file/directory resource: