# StreamingPolicyContentKey

### Properties

- **label** (string, Optional):  
  Labels are a potential matching field for selecting a content key via a streaming locator.

- **policyName** (string, Optional):  
  Policy used by the key.

- **tracks** (list of objects, [StreamingPolicyTrackSelection](https://docs.mediakind.com/api-reference/media-api/schemas/streamingpolicytrackselection), Optional):  
  This represents which tracks should be encrypted.

- **trackSelections** (list of objects, [StreamingPolicyTrackPropertyCondition](https://docs.mediakind.com/api-reference/media-api/schemas/streamingpolicytrackpropertycondition), Optional):  
     Track selections is used to specify a set or a subset of track for selection by the streaming policy.

- **operation** (enum, Required):  
      Track property operation. Only equality is supported.  
      Allowed values: Unknown, Equal
    
    - **property** (enum, Required):  
      Track property type  
      Allowed values: Unknown, FourCC

- **value** (string, Optional):  
      Track property value.