1 files changed, 46 insertions, 3 deletions
diff --git a/graphql/schema.graphql b/graphql/schema.graphql
index c083ac4f..2e685779 100644
--- a/graphql/schema.graphql
+++ b/graphql/schema.graphql
@@ -73,6 +73,11 @@ type OperationEdge {
   node: Operation!
 }
 
+"""An item in the timeline of events"""
+interface TimelineItem {
+  hash: Hash!
+}
+
 """An operation applied to a bug."""
 interface Operation {
   """The operations author."""
@@ -90,7 +95,8 @@ type CreateOperation implements Operation & Authored {
   files: [Hash!]!
 }
 
-type SetTitleOperation implements Operation & Authored {
+type SetTitleOperation implements Operation & Authored & TimelineItem {
+  hash: Hash!
   author: Person!
   date: Time!
 
@@ -106,14 +112,16 @@ type AddCommentOperation implements Operation & Authored {
   files: [Hash!]!
 }
 
-type SetStatusOperation implements Operation & Authored {
+type SetStatusOperation implements Operation & Authored & TimelineItem {
+  hash: Hash!
   author: Person!
   date: Time!
 
   status: Status!
 }
 
-type LabelChangeOperation implements Operation & Authored {
+type LabelChangeOperation implements Operation & Authored & TimelineItem {
+  hash: Hash!
   author: Person!
   date: Time!
 
@@ -121,6 +129,30 @@ type LabelChangeOperation implements Operation & Authored {
   removed: [Label!]!
 }
 
+type TimelineItemConnection {
+  edges: [TimelineItemEdge!]!
+  nodes: [TimelineItem!]!
+  pageInfo: PageInfo!
+  totalCount: Int!
+}
+
+type TimelineItemEdge {
+  cursor: String!
+  node: TimelineItem!
+}
+
+type CreateTimelineItem implements TimelineItem {
+  hash: Hash!
+  lastState: Comment!
+  history: [Comment!]!
+}
+
+type CommentTimelineItem implements TimelineItem {
+  hash: Hash!
+  lastState: Comment!
+  history: [Comment!]!
+}
+
 """The connection type for Bug."""
 type BugConnection {
   """A list of edges."""
@@ -161,6 +193,17 @@ type Bug {
     last: Int
   ): CommentConnection!
 
+  timeline(
+    """Returns the elements in the list that come after the specified cursor."""
+    after: String
+    """Returns the elements in the list that come before the specified cursor."""
+    before: String
+    """Returns the first _n_ elements from the list."""
+    first: Int
+    """Returns the last _n_ elements from the list."""
+    last: Int
+  ): TimelineItemConnection!
+
   operations(
     """Returns the elements in the list that come after the specified cursor."""
     after: String