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Pattern nodes can be connected to materials or other patterns in the usual way using shader editor Shader Editor 
. You can also connect pattern nodes in the material properties 
. or directly within the Material properties Tab .
For parameters that can take a pattern connection, a 
will be shown next to the parameter value. This is our connection widget.
Clicking on the widget will show our connection menu. Here's an example:
Patterns will be broken up into categories for easier browsing. The __EXISTING__ section will show existing nodes in the shader graph that you can connect to. If the parameter is already connected some more options will appear.
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