# Class QueryDefinition OptimaJet.Workflow.MySQL.Models.QueryDefinition Definition of query Namespace: [OptimaJet.Workflow.MySQL.Models](https://api.workflowengine.io/mysql/OptimaJet.Workflow.MySQL.Models/) ```csharp public class QueryDefinition ``` ## Properties `public string Query { get; set; }` Query text `public List Parameters { get; set; }` Query parameters [Previous Migration90WorkflowProcessScheme](https://api.workflowengine.io/mysql/OptimaJet.Workflow.MySQL.Migrations/Migration90WorkflowProcessScheme/) [Next WorkflowForm](https://api.workflowengine.io/mysql/OptimaJet.Workflow.MySQL.Models/WorkflowForm/)