Limit one post per person?

[Johani (Joe)]

@meglio

I have use-cases for it in my community. For instance, we have a topic where veterinaries can upload their diplomas. It would make sense to limit such topics to a single poster per topic.

Your use case can be achieved with CSS.

Change .category-NAME to the category you’re targeting.

.category-NAME {
	// hide reply buttons
	button.reply,
	.timeline-footer-controls button.create,
	.topic-footer-main-buttons button.create {
		display: none;
	}
	// just in case
	&:not(.staff) & {
		.topic-post:not(:first-of-type),
		.time-gap {
			display: none;
		}
	}
}

This will remove any reply button from the posts in the selected category.

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The use case in the OP requires something more intensive