> For the complete documentation index, see [llms.txt](https://developer.collibra.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.collibra.com/api/references/sampling/samples.md).
# Samples
Data sampling operations
## Create a request to collect and cache sample data for an Edge data source
> Creates a request to collect sample data from an Edge data source for the asset with the specified ID and temporarily makes it available in the Edge cache.
```json
{"openapi":"3.0.3","info":{"title":"Catalog Sampling API","version":"1.0.0"},"tags":[{"name":"Samples","description":"Data sampling operations"}],"servers":[{"url":"/rest/catalogSampling/v1"}],"security":[{"basicAuth":[]},{"jwtAuth":[]}],"components":{"securitySchemes":{"basicAuth":{"type":"http","scheme":"basic","description":"Collibra REST API authentication using Basic Authentication."},"jwtAuth":{"type":"http","scheme":"bearer","bearerFormat":"JWT","description":"Collibra REST API authentication using JSON Web Token."}},"schemas":{"RequestSamplesResponse":{"description":"Represents the response returned when sample data is requested.","properties":{"newJob":{"type":"boolean","description":"Whether this is a newly created job or one that is in progress."},"job":{"$ref":"#/components/schemas/Job"}}},"Job":{"required":["id","resourceType"],"type":"object","properties":{"id":{"type":"string","description":"The id of the represented object (entity).","format":"uuid"},"createdBy":{"type":"string","description":"The id of the user that created this resource.","format":"uuid"},"createdOn":{"type":"integer","description":"The timestamp (in UTC time standard) of the creation of this resource.","format":"int64"},"lastModifiedBy":{"type":"string","description":"The id of the user who modified this resource the last time.","format":"uuid"},"lastModifiedOn":{"type":"integer","description":"The timestamp (in UTC time standard) of the last modification of this resource.","format":"int64"},"system":{"type":"boolean","description":"Whether this is a system resource or not."},"resourceType":{"type":"string","description":"The type of this resource, i.e. [Community, Asset, Domain, Attribute, Relation, WorkflowInstance].\n","enum":["View","Asset","Community","Domain","AssetType","DomainType","Status","User","ClassificationMatch","UserGroup","Attribute","StringAttribute","ScriptAttribute","BooleanAttribute","DateAttribute","NumericAttribute","SingleValueListAttribute","MultiValueListAttribute","Comment","Attachment","Responsibility","Workflow","Job","Relation","RelationType","ComplexRelation","ComplexRelationType","ArticulationRule","Assignment","Scope","RelationTrace","ValidationRule","DataQualityRule","DataQualityMetric","Address","InstantMessagingAccount","Email","PhoneNumber","Website","Activity","FormProperty","WorkflowTask","ActivityChange","WorkflowInstance","Role","AttributeType","BooleanAttributeType","DateAttributeType","DateTimeAttributeType","MultiValueListAttributeType","NumericAttributeType","ScriptAttributeType","SingleValueListAttributeType","StringAttributeType","ViewSharingRule","ViewAssignmentRule","JdbcDriverFile","JdbcDriver","JdbcIngestionProperties","CsvIngestionProperties","ExcelIngestionProperties","ConnectionStringParameter","AssignedCharacteristicType","Notification","Tag","ComplexRelationLegType","ComplexRelationAttributeType","ComplexRelationLeg","BaseDataType","AdvancedDataType","DiagramPicture","DiagramPictureSharingRule","DiagramPictureAssignmentRule","Rating","Classification","PhysicalDataConnector","Context"]},"name":{"type":"string","description":"The name of the resource."},"type":{"type":"string","description":"The type of the job."},"userId":{"type":"string","description":"The ID of the user that initiated this job.","format":"uuid"},"progressPercentage":{"type":"number","description":"The progress percentage of the job.","format":"double"},"startDate":{"type":"integer","description":"The start date of the job.","format":"int64"},"endDate":{"type":"integer","description":"The end date of the job.","format":"int64"},"state":{"type":"string","description":"The state of the job.","enum":["WAITING","RUNNING","CANCELING","COMPLETED","CANCELED","ERROR"]},"message":{"type":"string","description":"The message of the job."}},"description":"Represents a job. Job is a single atomic task that is to be performed asynchronously."},"StandardErrorResponse":{"type":"object","properties":{"statusCode":{"type":"integer","description":"HTTP response code"},"titleMessage":{"type":"string"},"helpMessage":{"type":"string"},"userMessage":{"type":"string"},"errorCode":{"type":"string"}}}},"responses":{"InvalidRequest401":{"description":"The user is not authenticated to use this API.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/StandardErrorResponse"}}}},"InvalidRequest404":{"description":"The asset can't be found.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/StandardErrorResponse"}}}}}},"paths":{"/samples/{assetId}/request":{"post":{"tags":["Samples"],"summary":"Create a request to collect and cache sample data for an Edge data source","description":"Creates a request to collect sample data from an Edge data source for the asset with the specified ID and temporarily makes it available in the Edge cache.","operationId":"requestSamples","parameters":[{"name":"assetId","in":"path","description":"Asset identifier","required":true,"schema":{"type":"string","format":"uuid"}}],"responses":{"202":{"description":"Samples were successfully requested.
Returns job object which is running the fetching samples process and flag indicating if the new job was started to fetch samples or there was already one which existed before.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/RequestSamplesResponse"}}}},"400":{"description":"The parameter is not a valid UUID for asset type: Column or Table.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/StandardErrorResponse"}}}},"401":{"$ref":"#/components/responses/InvalidRequest401"},"403":{"description":"The user lacks permission to view samples for the requested asset.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/StandardErrorResponse"}}}},"404":{"$ref":"#/components/responses/InvalidRequest404"}}}}}}
```
## Read sample data from the Collibra cloud repository or Edge cache
> Reads the available sample data from the Collibra cloud repository or Edge cache depending on how the data is collected.
```json
{"openapi":"3.0.3","info":{"title":"Catalog Sampling API","version":"1.0.0"},"tags":[{"name":"Samples","description":"Data sampling operations"}],"servers":[{"url":"/rest/catalogSampling/v1"}],"security":[{"basicAuth":[]},{"jwtAuth":[]}],"components":{"securitySchemes":{"basicAuth":{"type":"http","scheme":"basic","description":"Collibra REST API authentication using Basic Authentication."},"jwtAuth":{"type":"http","scheme":"bearer","bearerFormat":"JWT","description":"Collibra REST API authentication using JSON Web Token."}},"schemas":{"ReadSamplesResponse":{"description":"Represents the response returned when sample data is read.","properties":{"dataAvailable":{"type":"boolean","description":"Whether any sample data is available for the columns in the response."},"canRequestAdditionalData":{"type":"boolean","description":"Whether the requestSamples API can be called to query the target database for sample data."},"columnPagedResponse":{"$ref":"#/components/schemas/ColumnPagedResponse"},"error":{"$ref":"#/components/schemas/StandardErrorResponse"}}},"ColumnPagedResponse":{"properties":{"columnOffset":{"type":"integer","format":"int64","description":"The number of results to skip in the response."},"columnLimit":{"type":"integer","format":"int64","description":"The maximum number of results in the response."},"columnTotal":{"type":"integer","format":"int64","description":"The total number of results in the response."},"columns":{"type":"array","description":"The column array containing the sample data.","items":{"$ref":"#/components/schemas/SampleColumn"}}}},"SampleColumn":{"properties":{"id":{"type":"string","description":"The ID of the column asset.","format":"uuid"},"name":{"type":"string","description":"The name of the column asset."},"displayName":{"type":"string","description":"The display name of the column asset."},"tableName":{"type":"string","description":"The table asset name the column asset belongs to."},"samples":{"type":"array","description":"Sample data for a given column asset.","items":{"type":"string"}},"samplingStatus":{"type":"string","description":"The processing status for column assets.\nThe column can be missing (not found in the cache) or forbidden if the user lacks permissions.\n","enum":["OK","MISSING","FORBIDDEN"]}}},"StandardErrorResponse":{"type":"object","properties":{"statusCode":{"type":"integer","description":"HTTP response code"},"titleMessage":{"type":"string"},"helpMessage":{"type":"string"},"userMessage":{"type":"string"},"errorCode":{"type":"string"}}}},"responses":{"InvalidRequest401":{"description":"The user is not authenticated to use this API.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/StandardErrorResponse"}}}},"InvalidRequest404":{"description":"The asset can't be found.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/StandardErrorResponse"}}}},"InvalidRequest503":{"description":"External edge service timeout or failure.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/StandardErrorResponse"}}}}}},"paths":{"/samples/{assetId}":{"get":{"tags":["Samples"],"summary":"Read sample data from the Collibra cloud repository or Edge cache","description":"Reads the available sample data from the Collibra cloud repository or Edge cache depending on how the data is collected.","operationId":"readSamples","parameters":[{"name":"columnLimit","in":"query","description":"The maximum number of columns to retrieve. If not set (columnLimit = 0), the default column limit will be used. Maximum is set to 1500.","required":false,"schema":{"type":"integer","format":"int32","default":0}},{"name":"columnOffset","in":"query","description":"The index of the fist column to retrieve. If not set (columnOffset = 0), results will be retrieved starting from column 0.","required":false,"schema":{"type":"integer","format":"int32","default":0}},{"name":"assetId","in":"path","description":"Asset identifier","required":true,"schema":{"type":"string","format":"uuid"}}],"responses":{"200":{"description":"Samples were successfully read. Returns the paginated list of columns with the list of the ordered samples that were fetched during request samples process.
Returns additional flags:
isDataAvailable flag indicating if any samples for any column are available within the response.
canRequestAdditionalData flag indicating if the requestSamples API can be called to query the target database for the additional samples.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ReadSamplesResponse"}}}},"400":{"description":"The parameter is not a valid UUID for asset type: Column or Table.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/StandardErrorResponse"}}}},"401":{"$ref":"#/components/responses/InvalidRequest401"},"403":{"description":"The user lacks permission to any of the columns within the requested asset.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/StandardErrorResponse"}}}},"404":{"$ref":"#/components/responses/InvalidRequest404"},"503":{"$ref":"#/components/responses/InvalidRequest503"}}}}}}
```