ContributionsMost RecentMost LikesSolutionsRe: I want to create a component one with default value other one without default value how to do G'day Helen, Thanks so much for spending time to help me with this. I posting the complete yml. openapi: 3.0.0 info: title: Customers API description: Customer resource version: 1.0.0 contact: name: Raj email: Rajendra.Kashi@gmail.com paths: /customers: get: description: to retireve all the customer detail summary: This route retrieves all the customer detail responses: 200: description: retieves all the customer information content: application/json: schema: $ref: '#/components/schemas/CustomersRetrieveResponse' /customers/{customer_id}: get: description: retrieve customer summary: This route retrieve customer by customer id parameters: - in: path name: customer_id required: true description: customer id schema: type: string responses: 200: description: retieves all the customer information content: application/json: schema: $ref: '#/components/schemas/CustomerRetrieveResponse' post: description: create customer summary: This route retrieves all the customer detail requestBody: required: false content: application/json: schema: $ref: '#/components/schemas/CustomerCreateRequest' responses: 200: description: Description content: application/json: schema: type: string components: schemas: CustomersRetrieveResponse: type: array items: $ref: '#/components/schemas/CustomerRetrieveItem' CustomerRetrieveResponse: $ref: '#/components/schemas/CustomerRetrieveItem' CustomerCreateRequest: $ref: '#/components/schemas/CustomerCreateItem' CustomerCreateItem: required: - first_name - last_name allOf: - $ref: '#/components/schemas/CustomerTitleWithDefault' - $ref: '#/components/schemas/CustomerBasicData' CustomerRetrieveItem: allOf: - $ref: '#/components/schemas/CustomerId' - $ref: '#/components/schemas/CustomerTitle' - $ref: '#/components/schemas/CustomerBasicData' CustomerBasicData: type: object properties: first_name: type: string last_name: type: string CustomerId: type: object properties: id: type: string CustomerTitleWithDefault: allOf: - $ref: '#/components/schemas/CustomerTitle' default: Unknown #type: object #properties: # title: # type: string # enum: # - Mr # - Mrs # - M/S # - Dr # - Unknown # default: Unknown CustomerTitle: type: object properties: title: type: string enum: - Mr - Mrs - M/S - Dr - Unknown Thanking you, Raj Re: I want to create a component one with default value other one without default value how to do G'day, I am not sure I followed as you suggested - it still did not work. Regards, Re: I want to create a component one with default value other one without default value how to do G'day Helen, Thanks for your reply. I tried. It did not work. Please can you help. Thanking you, Raj I want to create a component one with default value other one without default value how to do G'day All, Please can someone suggest me what is best way to write this component with reuse. Title: Type: string Enum: - Mr - Mrs - Unknown TitleWithDefault $ref: '#/components/schemas/Title' default: Unknown Is it possible? Please if someone knows the answer can you share it. Thanking you, Raj Solved