[XB] Custom Field Unique: Prevent Duplicate Custom Field Values 1.1.0

Prevent duplicate values in custom fields.

This add-on ensures that values entered into selected custom fields remain unique across the system, helping maintain data consistency and preventing duplicate submissions.

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Features:​

• Unique Value Validation: Prevent duplicate values from being entered into selected custom fields.
• Per-Field Configuration: Enable uniqueness checks only for specific fields.

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Supported Field Types:​

• User Fields
• Thread Fields
• XenForo Resource Manager:
  • Resource Fields
  • Resource Review Fields
• [XB] Lessons:
  • Classroom Fields
  • Lesson Fields
• [XB] Quizzes:
  • Quiz Fields
• [XB] Toplists:
  • Toplist Fields
• [XB] Donations:
  • Campaign Fields
• [XB] Movie Database:
  • Movie Fields
  • List Fields
• [XB] Game Database:
  • Game Fields
  • List Fields
• [XB] Book Database:
  • Book Fields
  • List Fields

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Useful for:​

• Unique Identifiers: Ensure usernames, IDs, serial numbers, or other identifiers are not duplicated.
• Data Integrity: Maintain clean and consistent custom field data.
• Submission Validation: Prevent accidental duplicate entries.

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More add-ons like this:​

• [XB] Custom Field Default Value - Set default values for custom fields automatically.
• [XB] Custom Field Change Log - Track and review changes made to custom field values.
• [XB] Custom Field View List Display - Display custom field values as lists instead of comma-separated values.
• [XB] Custom Field Hidden Display Location - Store custom field values without displaying them publicly.
• [XB] Custom Field Edit - Allow users to edit custom field values in separate page with dedicated permissions.
• [XB] Custom Field Sorting - Easily sort custom fields in ACP.
• [XB] Custom Field Access - Restrict access to custom fields with user group permissions.

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Screenshots:​