Simple requirement. Want the consumer of the control to specify a hardcoded string e.g. relationship_name during configuration time.
Have tried setting the usage="input" on the property but this way the control does not appear at all.
What the is the recommended way to achieve this?
I am assuming you want something like this
I am passing a hardcoded value through input.
I did a custom control which asks for a JS regex to be passed as a string on form design while configuring the control. My control was ok and I used this regex for data validation. I may be incorrectly understanding you but looks like using a property of type "SingleLine.Text" with "input" as usage we can do it. So it may be another thing stopping your control to appear. One more thing that was helpful was after initial (basic) testing, I started testing in D365 form.
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