How to add form field description with JSON to the form?

Question

Hello,
When I use typical JSON code to modify my form like this:
"sections": [
{
"displayname": "Personal Details",
"fields": [
"FirstName",
"Title",
"ShippingAddress",
"ExternalEmail",
"MobilePhoneNumber"
]
}
How can I add field's description?

Answer 1

@Vlad Talyanskiy

I'm glad to hear you solve the problem ,if you have any issue about SharePoint, you are welcome to raise a ticket in this forum.

By the way, since the Microsoft Q&A community has a policy that "The question author cannot accept their own answer. They can only accept answers by others.". and according to the scenario introduced here: Answering your own questions on Microsoft Q&A, I would make a brief summary of this thread:

[How to add form field description with JSON to the form?]

Issue Symptom:
Hello,
When I use typical JSON code to modify my form like this:

"sections": [  
{  
"displayname": "Personal Details",  
"fields": [  
"FirstName",  
"Title",  
"ShippingAddress",  
"ExternalEmail",  
"MobilePhoneNumber"  
]  
}  

How can I add field's description?

Current status:
Just realized that the description of the fields is being displayed automatically if populated:

You could click the "Accept Answer" button for this summary to close this thread, and this can make it easier for other community member's to see the useful information when reading this thread. Thanks for your understanding!

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Answer 2

Just realized that the description of the fields is being displayed automatically if populated: