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To run a simulation without a certain script, it is not necessary to delete it. You can just set it to inactive by unchecking the appropriate checkbox.
RealFlow's tree for events scripts.
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Once a script has been stored, it can be used again and again. You can also load a script from another source, e.g. RealFlow’s scripting homepage. With “Add Script From File” a script can be imported. Please bear in mind that external scripts usually have to be adjusted to your needs and nodes. A completely new function is the “Add From Plugin” option. With this method it is possible to choose a custom plug-in from the "Command Plugins" manager, where you will find all available plug-insplugins. The “Expand All” button simply expands all branches from the scripts pipeline marked with the “+” symbol.
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To get you started with Python, we have created a sophisticated introduction to Python scripting with RealFlow. There you will find all relevant information about things like data types, operators, conditions and many real-life examples. The Python scripting guide can be found here:
RealFlow's Python Scripting Guide