how-to-create-an-action-to-upload-a-file-multipart-form-data.25180/

i noticed https://forum.pabbly.com/threads/how-to-create-an-action-to-upload-a-file-multipart-form-data.25180/

But i dont know how to use it, i get an Unautorized response

"
[TABLE]
[TR]
[TD]Parameter[/TD]
[TD]Type[/TD]
[TD]Description[/TD]
[TD]Example Value[/TD]
[/TR]
[TR]
[TD]
pabbly_api_key[/TD]
[TD]Header[/TD]
[TD]An authentication key is needed to validate worker access. It should match the predefined key set in the worker code.[/TD]
[TD]
pabbly_api_key: {{PabblyPrivateKeyForInternalUse}}

NOTE: This key is only used for our internal development for now.[/TD]
[/TR]
[/TABLE]

which api key should i use? I create one in my settings but it does not change anything.
https://connect.pabbly.com/workflow/mapping/IjU3NjYwNTZmMDYzMDA0MzQ1MjZhNTUzMTUxMzci_pc step 9

Hi @martexx,

Please send an email to the given email address, where our integrations team can help you with this query. [EMAIL][email protected][/EMAIL]