If you are wanting to have the ability to setup a default message for a post when someone clicks the “message” button, this is possible with 1.4 and up.
Use Cases: 1. For property posts, being able to let the receiving party know which property you are interested in by bringing in the property title/address and even some of your information that they can contact you at. 2. Classifieds, you can setup preset buttons for phrases such as “I am interested” or “I have a question about” or even just “Hello”
For example to message current post with Hello as preset