Generate a GitHub access token You need to generate a GitHub personal access token to use for creating the webhook and for accessing the repository source code during PipelineRuns. To generate the token:
Go to https://github.com/settings/tokens and click Generate new token.
admin:repo_hook option and click Generate token.
If you are working in a private repository, more options might be required.
Check with your administrator for details. Make sure to save the token to a
file because you can’t see it after you leave this page.