API Reference > imodeljs-backend > Relationships > Relationship > buildConcurrencyControlRequest buildConcurrencyControlRequest Method Add a request for the locks that would be needed to carry out the specified operation. buildConcurrencyControlRequest(opcode: DbOpcode): void Parameter Type Description opcode DbOpcode The operation that will be performed on the Relationship instance. Returns - void Defined in core/backend/src/Relationship.ts Line 73 Last Updated: 13 June, 2024