# Dimension adapters

The `--inputDir` flag specified to forge overrides the input URL for dimension adapters.

Since the dimensions for a project are usually stored in the [appdir]/config/pipeline directory along with other configuration files, the deployment template copies these files into the [appdir]/data/processing/ directory before running the Forge process. The URLs specified in dimension adapters should follow the same rules as those described for input record adapters, specifying dimension XML file URLs relative to the `--inputDir` directory. In most cases, this is as simple as specifying the URL for the main dimension adapter as Dimensions.xml, which is the value used by the default "Dimensions" adapter created by Developer Studio's project template.

More complex deployments that include multiple dimension adapters or external delivery of dimension files should ensure that the dimension XML files are copied into the [appdir]/data/incoming/ directory before the forge process runs.