add a "value=" attribute in the input + add a "readonly='true'" attribute in the input tag 

Here is a use case when it turns out to be very useful : B2B e-commerce login 

In this use case, the client needs to be able to automate the registration process. 

• To ask for log in credentials, customers need to send a form with their information. 

• The form creates a new task in project (or in any other model of your choice).

• We want to fix the name of the task to "log in request" to be able to easily find the requests. 

• Create an automated action to send an email when a new task is created where "name='log in request'"