| Name | Description |
| Alias | The alias for this tool's toolbox. |
| attributed | Specifies if the relationship will have attributes.
(In, Required) |
| backward_label | A name to uniquely identify the relationship when navigating from the destination table to the origin table. (In, Required) |
| cardinality | Determines how many relationships exist between rows or features in the origin and rows or features in the destination table. (In, Required) |
| destination_foreign_key | The field in the relationship class table that links it to the Destination Primary Key field in the destination table. (In, Optional) |
| destination_primary_key | The field in the destination table, typically the OID field, that links it to the Destination Foreign Key field in the relationship class table. (In, Optional) |
| destination_table | The table that is associated to the origin table. (In, Required) |
| forward_label | A name to uniquely identify the relationship when navigating from the origin table to the destination table. (In, Required) |
| message_direction | The direction in which messages are passed between the origin and destination tables. For example, in a relationship between poles and transformers, when the pole is deleted, it sends a message to its related transformer objects informing them it was deleted. (In, Required) |
| origin_foreign_key | The field in the relationship class table that links it to the Origin Primary Key field in the origin table. (In, Required) |
| origin_primary_key | The field in the origin table, typically the OID field, that links it to the Origin Foreign Key field in the relationship class table. (In, Required) |
| origin_table | The table or feature class that is associated to the destination table. (In, Required) |
| out_relationship_class | The relationship class that is created. (Out, Required) |
| ParameterInfo | The parameters used by this tool. For internal use only. |
| relationship_type | The type of relationship to create between the origin and destination tables. (In, Required) |
| ToolboxDirectory | The directory of this tool's toolbox. |
| ToolboxName | The name of this tool's toolbox. |
| ToolName | The name of this tool. |