Jenkins pipeline build not happening automatically upon code push to GitHub

[Venkat]

Hi Team,

Recently we have migrated from Bit bucket to Github and I am trying to update the existing Jenkins pipeline bitbucket web-book with the Github webhook and when we are trying to push the code pipeline build is not working.(Automatic trigger is not happening)

When I try to trigger the pipeline manually it is working. Can someone please help?

Screenshot of existing Jenkins pipeline configuration.

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Thanks & Regards

Venkat