Certificate Manager bulk certificate jobs follow these steps. 

1. Runs a customer-provided pre-issuance playbook
2. Runs an internal process to enroll the certificate 

   This stage is not visible to playbook authors—treat it as a black box that enrolls the certificate from your CSR and passes the result to your post-issuance playbook

3. Runs a customer-provided post-issuance playbook

Therefore, before Creating a bulk certificate job, you may need to write pre- or post-issuance playbooks as explained below.

• Requirements for writing a playbook
• Starting the playbook AI agent
• Playbook coding rules
• Playbook templates
• Playbook samples
• Playbook testing