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            Custom Metadata Type Fields and Validation Rules

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            Custom Metadata Type Fields and Validation Rules

            You can use validation rules with fields in custom metadata types, including relationship fields. Keep these tips in mind as you do.

            Required Editions

            Available in: Salesforce Classic and Lightning Experience

            Available in: Enterprise, Performance, Unlimited, and Developer Editions

            You can create, edit, and delete custom metadata type records from installed packages in: Group and Professional Editions

            You can use validation rules within custom metadata types just as you would for non-custom types. If you use relationship fields, you can use validation between two custom metadata types. You can also use them on the following targets:

            Field Entity Definition Field Definition
            Data Type - Checkmark.
            Developer Name Checkmark. Checkmark.
            Namespace Prefix Checkmark. Checkmark.
            Qualified API Name Checkmark. Checkmark.

            For example, let’s say you create a custom metadata type named Employee Records. The type contains the relationship field Feedback__c, which has an entity relationship. You can create a rule that traverses the relationship to check if the related object or field is a custom object or field.

            EQUALS(RIGHT(Feedback__r.QualifiedApiName, 3), '__c')

            The syntax is like any other validation rule, but instead of choosing a field, you select the entity relationship field that you created.

            See Also

             
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