By default, the "Telephone" validation allows users to enter 6-20 digits when they are responding. We have given this flexibility since the number of digits in a phone number varies by country. "Telephone" validation checks for two things - 

  1. User response is in number and does not contain any alphabets.
  2. It has 6-20 digits

In case you want to put a hard limit on the number of digits a user can enter, here is what you need to do :

  1. Select "Text Input" as the user input format and select "Telephone" validation in the gambit where you are asking for user's phone number.

2. Now enable Conditional Jump feature. Check the image below to see where it is - 

3. Once you enable the conditional jump feature, you would see a layer open up where you can define conditions on the user response. In this case, we need to put a condition on the gambit where you are asking for user's phone number which is this particular gambit itself.

So here is the condition you need to put in : 

{{}} is 10

where "phone" is the name of the gambit where you are asking user's phone number and "10" is the number of digits you want to restrict this response to.

You can change "phone" and "`10" to anything of your choice.

Here is how it would look like : 

Click on Save and that's it.

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