[PyMOL] Custom selection operators

Hello, Is there any way to define a custom selection operator in a script? E.g. select all atoms with complex properties A, B, and C. Otherwise, what is the proper way of appending atoms to a selection in scripting? Thank you, Yannis ___ PyMOL-

[PyMOL] Custom selection operators

Hello, Is there any way to define a custom selection operator in a script? E.g. select all atoms with complex properties A, B, and C. Otherwise, what is the proper way of appending atoms to a selection in scripting? Thank you, Yannis ___ PyMOL-u