Show If based on value selected in parent form

[Jethro]

This is probably easy but it escapes me:

In my Parent form I have an enumlist (Domestic, Commercial, Institutional)

I also have an inline form that requests additional details (Child form)

There is a field in the child form I would like to show only if, in the Parent form, the “Domestic” value is chosen.

I put:

IN(“Domestic”,m_property[propertytype])

in the show_if of the child form field but this doesnt work.

Is there a different expression I should be using?