Asit Prakash
Asit Prakash

Reputation: 361

prevent Aws cognito signup multiple user with same phone number when not verified

How can I prevent AWS Cognito from signup multiple users with the same phone number where the phone number is not an alias?

Upvotes: 0

Views: 511

Answers (1)

jellycsc
jellycsc

Reputation: 12299

You can use the Pre Sign-up Lambda Trigger to do this custom validation.

Upvotes: 1

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