diff --git a/lib/batches/workspaces_execution_input.go b/lib/batches/workspaces_execution_input.go
new file mode 100644
index 00000000000..501640c649b
--- /dev/null
+++ b/lib/batches/workspaces_execution_input.go
@@ -0,0 +1,30 @@
+package batches
+
+type WorkspacesExecutionInput struct {
+	RawSpec    string       `json:"rawSpec"`
+	Workspaces []*Workspace `json:"workspaces"`
+}
+
+type Workspace struct {
+	Repository         WorkspaceRepo   `json:"repository"`
+	Branch             WorkspaceBranch `json:"branch"`
+	Path               string          `json:"path"`
+	OnlyFetchWorkspace bool            `json:"onlyFetchWorkspace"`
+	Steps              []Step          `json:"steps"`
+	SearchResultPaths  []string        `json:"searchResultPaths"`
+}
+
+type WorkspaceRepo struct {
+	// ID is the GraphQL ID of the repository.
+	ID   string `json:"id"`
+	Name string `json:"name"`
+}
+
+type WorkspaceBranch struct {
+	Name   string `json:"name"`
+	Target Commit `json:"target"`
+}
+
+type Commit struct {
+	OID string `json:"oid"`
+}