[Home](./index.md) > [@contract-case/case-definition-dsl](./case-definition-dsl.md) > [interactions](./case-definition-dsl.interactions.md) > [functions](./case-definition-dsl.interactions.functions.md) ## interactions.functions namespace ## Classes

Class	Description
[WillCallFunction](./case-definition-dsl.interactions.functions.willcallfunction.md)	Defines an example that executes a registered function with specific arguments
[WillCallThrowingFunction](./case-definition-dsl.interactions.functions.willcallthrowingfunction.md)	Defines an interaction that executes a registered function with specific arguments, expecting that function to throw an error
[WillReceiveFunctionCall](./case-definition-dsl.interactions.functions.willreceivefunctioncall.md)	Defines an example that expects a function to be called with specific arguments
[WillReceiveFunctionCallAndThrow](./case-definition-dsl.interactions.functions.willreceivefunctioncallandthrow.md)	Defines an example that expects a function to be called with specific arguments

## Interfaces

Interface	Description
[FunctionExecutionExample](./case-definition-dsl.interactions.functions.functionexecutionexample.md)	Interaction descriptor for a function execution which returns successfully
[ThrowingFunctionExecutionExample](./case-definition-dsl.interactions.functions.throwingfunctionexecutionexample.md)	Interaction descriptor for a function execution that throws an error