added dedicated type for event data field

Author: martinkuba

experimental/packages/api-events/src/types/Event.ts

@@ -14,8 +14,10 @@
  * limitations under the License.
  */
 
-import { Attributes } from '@opentelemetry/api';
-import { LogAttributeValue } from '@opentelemetry/api-logs';
+import { AttributeValue, Attributes } from '@opentelemetry/api';
+import { LogAttributes } from '@opentelemetry/api-logs';
+
+export type EventDataValue = AttributeValue | LogAttributes;
 
 export interface Event {
   /**
@@ -29,10 +31,10 @@ export interface Event {
   name: string;
 
   /**
-   * Attributes that describe the event.
+   * Data that describes the event.
    * Intended to be used by instrumentation libraries.
    */
-  data?: LogAttributeValue;
+  data?: EventDataValue;
 
   /**
    * Additional attributes that describe the event.