Steps for adding a custom extension to a certificate template if you are using REXX CGI execs

Procedure

Copy the CustomExt INSERT from pkiserv.tmpl.
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Rename the copy of the CustomExt INSERT. The name is the string that is formed by concatenating the following values:
1. The string "CustomExt".
2. The OID. You are responsible for ensuring that you use a registered OID, PKI Services does not check this.
3. The critical flag - C for a critical extension, N for a non-critical extension.
4. The value type. Supported types are:
  - INT (integer in a printable hexadecimal format)
  - IA5 (IA5 string)
  - PRT (printable string)
  - BMP (BMP string)
  - OCT (Octet string)
  - UTF (UTF 8 string)
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Customize the INSERT to contain any inputs that you want, and to have the corresponding JavaScript code manipulate and verify the inputs.
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Add the customized INSERT to the certificate template that you want to use it in.
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Update the CONTENT subsection of the certificate template to add new input fields.
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When you are done, you have added a customized extension to a certificate template using REXX CGI execs.