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Though both retain parameters are optional, we strongly recommend using them. Doing so will record additional metadata on your stored certificate which is often of use down the road.

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campaign_id
string

An optional identifier for the campaign associated with the lead. Use this to track which campaign generated the lead without relying on the vendor field. TrustedForm will record this value on the certificate stored in your account and include it in reporting.

Example:

"summer_promo_2024"

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reference
string

Any text that may help you identify the lead associated with the certificate such as a unique lead identifier or URL pointing to the lead in another system. This value will be displayed in your copy of the certificate for your future reference

Example:

"1128238382829"

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vendor
string

When retaining a certificate, you can optionally pass the vendor name. This is intended for tracking the name of the company that provided the lead associated with the certificate. TrustedForm will record this value on the certificate stored in your account. Other accounts cannot see this value. When you use TrustedForm reporting, you can easily filter or group by vendor.

Example:

"Acme Co."