This is the running_agregate_func-write-a-block package meant as a guide to building out-of-tree packages. To use the running_agregate_func blocks, the Python namespaces is in 'running_agregate_func', which is imported as: import running_agregate_func See the Doxygen documentation for details about the blocks available in this package. A quick listing of the details can be found in Python after importing by using: help(running_agregate_func)