How to manage the Geometry Nodes attribute by the output of the geometry node tree

When we create a Geometry Nodes node tree by a script, after building the node tree itself, the Geometry Nodes attributes need to be set in order to access these attributes from other areas, for example, from the Shader Node tree.

Read more: https://b3d.interplanety.org/en/how-to-manage-the-geometry-nodes-attribute-by-the-output-of-the-geometry-node-tree/