Title: validate
<a name="validate-Name"></a>
### Name
`<validate>` -- {excerpt}validate the values of variables against their associated XML and WSDL data definition{excerpt}
 
<a name="validate-Synopsis"></a>
### Synopsis

    <validate variables="BPELVariableNames" standard-attributes>
       standard-elements
    </validate>

*throws* `[bpel:invalidVariables](#invalidvariables.html)`

<a name="validate-Description"></a>
### Description
The `<validate>` activity is used to validate the values of variables against their associated XML and WSDL data definition; if the validation fails, a fault is thrown.

- `variables` -- comma-seperated list of variable names to validate

<a name="validate-Faults"></a>
### Faults
{anchor:invalidVariables}
- `bpel:[invalidVariables](invalidvariables.html)` -- indicate that the validation failed

<a name="validate-SeeAlso"></a>
### See Also
`<[assign](assign.html)>`, `<[pick]>`, `<[receive]>`, `<[invoke]>` -- all provide similar functionality via the `validate` attribute.