diff --git a/src/api.rs b/src/api.rs
index edbde60..35b6302 100644
--- a/src/api.rs
+++ b/src/api.rs
@@ -1896,3 +1896,96 @@ pub fn roles_contains_member(roles: String, member_str: Vec<String>) -> ApiResul
 
     Ok(())
 }
+
+#[wasm_bindgen]
+pub fn members_in_same_roles_me(roles: String) -> ApiResult<Vec<String>> {
+    let roles: Value = serde_json::from_str(&roles)?;
+
+    let json = json!({
+        "roles": roles
+    });
+
+    let roles = json.extract_roles()?;
+
+    let device = lock_local_device()?;
+
+    let us = device.to_member();
+
+    let mut res: Vec<String> = vec![];
+
+    for (_, role) in roles {
+        if role.members.contains(&us) {
+            let to_add: Vec<String> = role.members
+                .iter()
+                .filter_map(|m| {
+                    if *m != us {
+                        Some(serde_json::to_string(m).unwrap())
+                    } else {
+                        None
+                    }
+                }).collect();
+            res.extend(to_add);
+        }
+    }
+
+    Ok(res)
+}
+
+#[wasm_bindgen]
+pub fn sync_process_from_relay(process_id: String, process_str: String) -> ApiResult<ApiReturn> {
+    let outpoint = OutPoint::from_str(&process_id)?;
+
+    let process: Process = serde_json::from_str(&process_str)?;
+
+    // Are we part of this process?
+    let last_state = process.get_latest_commited_state().ok_or(ApiError::new("Process doesn't have a commited state".to_owned()))?;
+
+    let roles = last_state.encrypted_pcd.extract_roles()?;
+
+    let us = lock_local_device()?.to_member();
+
+    let mut contains_us = false;
+    for (_, role) in &roles {
+        if role.members.contains(&us) {
+            contains_us = true;
+            break;
+        }
+    }
+
+    let mut processes = lock_processes()?;
+    if !contains_us {
+        // If we're not part of this process, we just keep the minimum of public informations
+        processes.insert(outpoint, process.clone());
+
+        let updated_process = Some(UpdatedProcess {
+            process_id: outpoint,
+            current_process: process,
+            up_to_date_roles: roles,
+            ..Default::default()
+        });
+
+        let api_return = ApiReturn {
+            updated_process,
+            ..Default::default()
+        };
+        Ok(api_return)
+    } else {
+        // If we're part of this process, we want to complete what we are missing
+        let api_return: ApiReturn = if let Some(in_memory_process) = processes.get(&outpoint) {
+            debug!("We already know about this process");
+            // We already know about this process
+            // For each state, do we have the keys? the encrypted values?
+            for state in in_memory_process.get_all_states_iter() {
+                debug!("parsing state {:?}", state);
+            }
+            ApiReturn::default()
+        } else { 
+            debug!("We don't know about this process");
+            // We didn't know about this process
+            // We simply request all the attributes from each state
+            ApiReturn::default()
+        };
+
+        Ok(api_return)
+    }
+}