# add_revolute_constraint_rassembly ## API Definition ```python def add_revolute_constraint_rassembly(assembly: Assembly, constraint_id: str, connector_a: ConnectorRef, connector_b: ConnectorRef, drive_angle_degrees: Optional[float] = None, angle_limit: Optional[ScalarLimit] = None, name: Optional[str] = None) -> Assembly ``` *Source: operations.py* ## Import Surface - top-level: `from simplecadapi import add_revolute_constraint_rassembly` ## Description Constrain two connectors as a revolute axis pair.