`projects.setIamPolicy` API call does not modify `auditConfigs` but modifies `bindings`

[madhushreeray30]

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Environment details

• OS:
• Node.js version: v20.14.0
• npm version: 10.7.0
• googleapis version: 118.0.0

Steps to reproduce

1. Go to the rest API > https://cloud.google.com/resource-manager/reference/rest/v1/projects/setIamPolicy
2. Enter your <projects/project-name> in the resources
3. Add the request body including changes in both auditConfigs and bindings. Make sure we add exemptedMembers to the config with service as allServices
4. The changes in bindings will be updated but the changes in auditConfigs will not be updated

When we try to update auditConfigs using the projects.setIamPolicy API any change is not reflected however when using the console or the CLI (gcloud projects set-iam-policy parker-aac policy.json where we have a file policy.json with the updated request body) we are able to update it especially when changing the exemptedMembers parameter.

We do have a documentation supporting this > https://cloud.google.com/resource-manager/reference/rest/v1/projects/setIamPolicy Since we are able to update it using the CLI or from the console we should be able to do with the API as well. Also the API is able to update the bindings then why not the auditConfigs

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Thanks!