# Namespace OptimaJet.Workflow.Core.Execution ## Classes - [ExecutionRequestParameters](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Execution/ExecutionRequestParameters/) Contains the [ConditionDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ConditionDefinition/) and [ActionDefinitionReference](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ActionDefinitionReference/) instances, together with transition context, for a single execution request. - [ParameterMapping](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Execution/ParameterMapping/) Represents an expression-based assignment to a process parameter when an inline activity is entered or exited.