# Specify basis object on the left

**URL:** <https://discourse.nodered.org/t/specify-basis-object-on-the-left/74918>\
**Category:** General\
**Created:** [9 February 2023 00:20 UTC](https://discourse.nodered.org/t/specify-basis-object-on-the-left/74918 "2023-02-09T00:20:23Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Vorms](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/vorms/32/75792_2.png) [@Vorms](https://discourse.nodered.org/u/Vorms)\
**Post date:** [9 February 2023 00:20 UTC](https://discourse.nodered.org/t/specify-basis-object-on-the-left/74918/1 "2023-02-09T00:20:23Z")

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It's a special question...  
I would like to use node red to create a configuration file.  
We devevopp some classes in python with abstract class and concrete classes.  
We would like to have objects on the left panel on node red representing concrete class.  
We would like to have the possibility to link compatible objects (and specify parameters) on node red and save the result on a text file.  
The produced config file is red on our python controller and do the behavior specified on the config..

Is that possible with node red?  
Regards

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**Author:** ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)\
**Post date:** [10 April 2023 00:21 UTC](https://discourse.nodered.org/t/specify-basis-object-on-the-left/74918/2 "2023-04-10T00:21:01Z")

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