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Powerapps Dynamics Form Phone Number Field Set Prefix

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Posted on by Beccaish

I am seeing the set +27 but it is not showing on the front end or through to Dynamics CE. I need for a user to enter 079123456789 onto the form (079/067/083 etc as the input beginning) and the 0 replaced by +27 leaving it as eg +2779123456789. Please can someone advise where I am going wrong on the input mask or if there is an alternative solution even if a preset for +27 and then the number. I am using Power Apps Forms. Thank you.

(This is what is showing front end for which doesn't match what's on the backend form)

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Microsoft Dataverse with Power Apps

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cchannon 4,702 Moderator on at

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Field Masking will not replace values, it only validates and adds in any literals you've put into the mask. So the Masking control will not replace 0 with +27: You will get +27079123456789 (which will fail validation because it is too long). Just skip the 0 and it should work. But if your users NEED to enter the 0, then you will need to come up with your own masking approach (through formscript, most likely).

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Beccaish 2 on at

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Thank you. I need to put something into the masking like 000 or 999 like I did but need the 0 to be replaced by +27 as all users add 0...... What is formscript?

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cchannon 4,702 Moderator on at

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Formscript is Dataverse's supported client-side javascript code execution option. It gives you a way to register javascript code, with an easy-to-use platform API that helps you to create realtime, user-interactive logic on model driven app pages. For example, it would let you write an event that fires every time the phone number field is updated by a user to grab that leading 0 and replace it with +27

Apply business logic using client scripting in model-driven apps using JavaScript - Power Apps | Microsoft Learn

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