diff --git a/src/service.ts b/src/service.ts
index 2bee549..1b81594 100644
--- a/src/service.ts
+++ b/src/service.ts
@@ -848,6 +848,19 @@ export class Service {
     return null;
   }
 
+  public getRoles(process: Process): Record<string, RoleDefinition> | null {
+    const lastCommitedState = this.getLastCommitedState(process);
+    if (lastCommitedState && lastCommitedState.roles && Object.keys(lastCommitedState.roles).length != 0) {
+      return lastCommitedState!.roles;
+    } else if (process.states.length === 2) {
+      const firstState = process.states[0];
+      if (firstState && firstState.roles && Object.keys(firstState.roles).length != 0) {
+        return firstState!.roles;
+      }
+    }
+    return null;
+  }
+
   public rolesContainsUs(roles: Record<string, RoleDefinition>): boolean {
     let us;
     try {