1 files changed, 17 insertions, 0 deletions
diff --git a/app/assets/javascripts/sidebar/queries/project_issue_milestone.mutation.graphql b/app/assets/javascripts/sidebar/queries/project_issue_milestone.mutation.graphql
new file mode 100644
index 00000000000..d88ad8b1087
--- /dev/null
+++ b/app/assets/javascripts/sidebar/queries/project_issue_milestone.mutation.graphql
@@ -0,0 +1,17 @@
+mutation projectIssueMilestoneMutation($fullPath: ID!, $iid: String!, $attributeId: ID) {
+  issuableSetAttribute: updateIssue(
+    input: { projectPath: $fullPath, iid: $iid, milestoneId: $attributeId }
+  ) {
+    __typename
+    errors
+    issuable: issue {
+      __typename
+      id
+      attribute: milestone {
+        title
+        id
+        state
+      }
+    }
+  }
+}