diff --git a/crates/engine/src/cmd/forms.rs b/crates/engine/src/cmd/forms.rs
index 4a74792..8139771 100644
--- a/crates/engine/src/cmd/forms.rs
+++ b/crates/engine/src/cmd/forms.rs
@@ -1727,7 +1727,12 @@ pub const EXPORT_CSV: &[Field] = &[
     path("path", "File", true).help("The CSV file to write.").req(),
     SOLVED,
     references("sets", "Sets", C::Set).help("Reactions: the sets to sum; the step's BC sets when empty.").hint("the step's BC sets"),
+    xyz("about", "About point", D::Length).help("Reactions: the point moments are taken about."),
     labels("nodes", "Nodes", LabelOf::Node).help("Probe: the node labels."),
+    reference("set", "Set", C::Set).help("Probe: a set whose nodes to read."),
+    points("at", "Points", D::Length, 10_000).help("Probe: points to read at the nearest nodes."),
+    int("mode", "Mode", 1, 1_000_000).help("Probe: the mode to read, for frequency and buckling steps."),
+    int("frame", "Frame", 0, 1_000_000_000).help("Probe: the frame to read, for explicit and transient steps."),
 ];
 pub const REACTIONS: &[Field] = &[
     SOLVED,
diff --git a/crates/engine/src/cmd/results.rs b/crates/engine/src/cmd/results.rs
index 54434d1..1180924 100644
--- a/crates/engine/src/cmd/results.rs
+++ b/crates/engine/src/cmd/results.rs
@@ -621,6 +621,11 @@ mod tests {
         }
         assert!(!rows[0].iter().any(|h| h == "temperature"), "columns the step does not have are left out: {:?}", rows[0]);
         // A stale result is refused.
+        // Every parameter the description names is taken: a set's nodes, points, a moment point.
+        let set = s.execute("results.export.csv", &json!({"what": "probe", "path": path, "step": "Bend", "set": "tip"})).unwrap();
+        assert!(set["rows"].as_u64().unwrap_or(0) > 0, "{set}");
+        s.execute("results.export.csv", &json!({"what": "probe", "path": path, "step": "Bend", "at": [[0, 0, 0]]})).unwrap();
+        s.execute("results.export.csv", &json!({"what": "reactions", "path": path, "step": "Bend", "about": [1, 0, 0]})).unwrap();
         s.execute("mesh.node.add", &json!({"label": 99_999, "xyz": [0, 0, 0]})).unwrap();
         assert!(s.execute("results.export.csv", &json!({"what": "reactions", "path": temp_csv("stale"), "step": "Bend"})).is_err());
         for p in ["reactions", "probe"] {