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• Everything is done in the context of the off-line analysis releases, your environment should be prepared and you should have test release setup based on one of the recent analysis releases. Consult Workbook which should help you going.

• You need your own package which may host several analysis modules. Package name must be unique. If the package has not be created yet run this command:

  Code Block
  newpkg MyPackage mkdir MyPackage/include MyPackage/src

• Generate skeleton module class from template:

  Code Block
  codegen -l psana-module MyPackage MyModule

  this will create two files: MyPackage/include/MyModule.h and MyPackage/src/MyModule.cpp

• Edit these two files, add necessary data members and implementation of the methods.
• For examples of accessing different data types see collection of modules in psana_examples package. Reference for all event and configuration data types is located at https://pswww.slac.stanford.edu/swdoc/releases/ana-current/psddl_psana/
• Reference for other classes in psana framework:  Psana Reference Manual
• Run scons to build the module library.
• Create psana config file if necessary.
• Run psana providing input data, configuration file, etc.
• It is also possible that somebody wrote a module which you can reuse for your analysis, check the module catalog: Psana Module Catalog

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