# WebSocket_Header ## Overview Defines the header linked list added to the WebSocket client. **Since**: 11 **Related module**: [Netstack](netstack.md) ## Summary ### Member Variables | Name| Description| | -------- | -------- | | [FieldName](netstack.md#fieldname) | Header field name.| | [FieldValue](netstack.md#fieldvalue) | Header field content.| | [next](netstack.md#next) | Next pointer of the header linked list.|