> For the complete documentation index, see [llms.txt](https://docs.transactionlink.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.transactionlink.io/docs/v1/transactionlink-api/api-reference/parameters.md).

# Parameters

## Create parameters

> Create a set of parameters for the given workflow definition to use

```json
{"openapi":"3.0.3","info":{"title":"TransactionLink API","version":"1.0.0"},"tags":[],"servers":[{"url":"https://api.transactionlink.io","description":"Production environment"}],"paths":{"/parameters":{"post":{"tags":["Parameters"],"summary":"Create parameters","description":"Create a set of parameters for the given workflow definition to use","requestBody":{"required":true,"content":{"application/json":{"schema":{"$ref":"#/components/schemas/CreateParameterValuesDto"}}}},"responses":{"201":{"description":"A set of parameters for the given workflow was created successfully","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ParameterValuesDto"}}}},"400":{"description":"Bad Request Body","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ErrorResponse"}}}},"404":{"description":"Not Found","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ErrorResponse"}}}}}}}},"components":{"schemas":{"CreateParameterValuesDto":{"type":"object","required":["workflowDefinitionId","parameters"],"properties":{"workflowDefinitionId":{"type":"string","description":"ID of the workflow definition"},"parameters":{}}},"ParameterValuesDto":{"type":"object","required":["parametersId","workflowDefinitionId","parameters"],"properties":{"parametersId":{"type":"string","description":"ID of the parameters set"},"workflowDefinitionId":{"type":"string","description":"ID of the workflow definition"},"parameters":{}}},"ErrorResponse":{"type":"object","required":["fingerprint","errors"],"properties":{"fingerprint":{"type":"string","description":"error id"},"errors":{"type":"array","items":{"type":"object","properties":{"code":{"type":"string","description":"Error code"},"message":{"type":"string","description":"Error message"}}}}}}}}}
```

## Get parameters

> Get a set of parameters for the given workflow definition

```json
{"openapi":"3.0.3","info":{"title":"TransactionLink API","version":"1.0.0"},"tags":[],"servers":[{"url":"https://api.transactionlink.io","description":"Production environment"}],"paths":{"/parameters/{parametersId}":{"get":{"tags":["Parameters"],"summary":"Get parameters","description":"Get a set of parameters for the given workflow definition","parameters":[{"in":"path","name":"parametersId","schema":{"type":"string","format":"uuid"},"required":true,"description":"UUID of the parameters set to get"}],"responses":{"201":{"description":"A set of parameters was successfully retrieved","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ParameterValuesDto"}}}},"400":{"description":"Bad request","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ErrorResponse"}}}},"404":{"description":"Not found","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ErrorResponse"}}}}}}}},"components":{"schemas":{"ParameterValuesDto":{"type":"object","required":["parametersId","workflowDefinitionId","parameters"],"properties":{"parametersId":{"type":"string","description":"ID of the parameters set"},"workflowDefinitionId":{"type":"string","description":"ID of the workflow definition"},"parameters":{}}},"ErrorResponse":{"type":"object","required":["fingerprint","errors"],"properties":{"fingerprint":{"type":"string","description":"error id"},"errors":{"type":"array","items":{"type":"object","properties":{"code":{"type":"string","description":"Error code"},"message":{"type":"string","description":"Error message"}}}}}}}}}
```