> Portal Navigation: > > - Append `.md` to any URL under `https://dev.wix.com/docs/` to get its markdown version. > - Pages are either content pages (article or reference text) or menu pages (a list of links to child pages). > - To get a menu page, truncate any URL to a parent path and append `.md` (e.g. `https://dev.wix.com/docs/sdk.md`, `https://dev.wix.com/docs/sdk/core-modules.md`). > - Top-level index of all portals: https://dev.wix.com/docs/llms.txt > - Full concatenated docs: https://dev.wix.com/docs/llms-full.txt # Resource: Items # Type: ProjectStage # Action: exclude # Link: https://dev.wix.com/docs/sdk/business-solutions/data/items/project-stage/exclude.md ## Description: Fields to exclude from the result. When specified, excludes the specified field from the result. All other fields are included. ## Schema: ```json Method: exclude(fieldNames) Description: Fields to exclude from the result. When specified, excludes the specified field from the result. All other fields are included. Method parameters: param name: fieldNames | type: Array | description: Fields to exclude from the result. Use dot notation to specify nested fields. For example, `user.name` or `product.price`. Learn more about [field keys](https://support.wix.com/en/article/cms-formerly-content-manager-about-your-collection-fields#field-id-velo-by-wix-only). Return type: REFERENCE Method: exclude(fieldNames) Description: Fields to exclude from the result. When specified, excludes the specified field from the result. All other fields are included. Method parameters: param name: fieldNames | type: Array | description: Fields to exclude from the result. Use dot notation to specify nested fields. For example, `user.name` or `product.price`. Learn more about [field keys](https://support.wix.com/en/article/cms-formerly-content-manager-about-your-collection-fields#field-id-velo-by-wix-only). Return type: REFERENCE Method: include(fieldNames) Description: Fields to include in the result. When specified, the result includes only the specified fields. All other fields are excluded. Method parameters: param name: fieldNames | type: Array | description: Fields to include in the result. Use dot notation to specify nested fields. For example, `user.name` or `product.price`. Learn more about [field keys](https://support.wix.com/en/article/cms-formerly-content-manager-about-your-collection-fields#field-id-velo-by-wix-only). Return type: REFERENCE Method: projectNested(stage, resultFieldName) Description: Creates nested fields by including, excluding, or reshaping fields. Method parameters: param name: stage | type: ProjectStage | description: Projected stage to nest. param name: resultFieldName | type: string | description: Field to nest the projected stage in. Learn more about [field keys](https://support.wix.com/en/article/cms-formerly-content-manager-about-your-collection-fields#field-id-velo-by-wix-only). Return type: REFERENCE Method: reshape(expression, resultFieldName) Description: Reshapes a new field based on the specified expression. The result does not include the field used in the expression. For example, reshaping `basePrice` to add `tax` results in a new field `totalPrice` that does not include `basePrice` or `tax`. Method parameters: param name: expression | type: Expression | description: Expression to resolve. The result of the expression becomes the value of the new field. Learn more about using [expressions in aggregation pipelines](https://dev.wix.com/docs/sdk/backend-modules/data/items/wix-data-aggregate-pipeline-expressions/introduction.md). param name: resultFieldName | type: string | description: Field to create in the result. Learn more about [field keys](https://support.wix.com/en/article/cms-formerly-content-manager-about-your-collection-fields#field-id-velo-by-wix-only). Return type: REFERENCE ```