diff --git a/Cargo.lock b/Cargo.lock
index ff39e49..5007f7e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -62,8 +62,8 @@ checksum = "0942ffc6dcaadf03badf6e6a2d0228460359d5e34b57ccdc720b7382dfbd5ec5"
 
 [[package]]
 name = "amp-client"
-version = "0.7.4"
-source = "git+https://github.com/amphitheatre-app/amp-client-rust?tag=v0.7.4#44813d305ffed8951dad053327d56538fca96bb3"
+version = "0.7.6"
+source = "git+https://github.com/amphitheatre-app/amp-client-rust?tag=v0.7.6#082f4db7d0668b8249e1cb7f3e744149711e9ee3"
 dependencies = [
  "amp-common",
  "futures",
@@ -75,8 +75,8 @@ dependencies = [
 
 [[package]]
 name = "amp-common"
-version = "0.7.4"
-source = "git+https://github.com/amphitheatre-app/common?tag=v0.7.4#d4f8b4b6cfee8766a2d19bcc96291d09db6d0228"
+version = "0.7.7"
+source = "git+https://github.com/amphitheatre-app/common?tag=v0.7.7#663f18822f1a3cad634ef38396698c9add0e2f22"
 dependencies = [
  "anyhow",
  "chrono",
diff --git a/Cargo.toml b/Cargo.toml
index cfc6148..0591e40 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,8 +14,8 @@ name = "playground"
 path = "src/lib.rs"
 
 [dependencies]
-amp-client = { git = "https://github.com/amphitheatre-app/amp-client-rust", tag = "v0.7.4" }
-amp-common = { git = "https://github.com/amphitheatre-app/common", tag = "v0.7.4" }
+amp-client = { git = "https://github.com/amphitheatre-app/amp-client-rust", tag = "v0.7.6" }
+amp-common = { git = "https://github.com/amphitheatre-app/common", tag = "v0.7.7" }
 anyhow = "1.0"
 axum = { version = "0.7.4" }
 clap = { version = "4.4.12", features = ["derive", "env"] }
diff --git a/src/errors.rs b/src/errors.rs
index 44b55de..1cf1228 100644
--- a/src/errors.rs
+++ b/src/errors.rs
@@ -59,6 +59,9 @@ pub enum ApiError {
 
     #[error("Not Found Repo: {0}")]
     NotFoundRepo(anyhow::Error),
+
+    #[error("Bad Playbook Request: {0}")]
+    BadPlaybookRequest(String),
 }
 
 impl IntoResponse for ApiError {
@@ -76,6 +79,7 @@ impl IntoResponse for ApiError {
             Self::FailedToSynchronize(e) => (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()),
             Self::BadPlaybook(e) => (StatusCode::BAD_REQUEST, e.to_string()),
             Self::NotFoundRepo(e) => (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()),
+            Self::BadPlaybookRequest(e) => (StatusCode::BAD_REQUEST, e.to_string()),
         };
 
         error!("{} - {}", status, message);
diff --git a/src/handlers/file.rs b/src/handlers/file.rs
index ab4a68e..d4b5bcd 100644
--- a/src/handlers/file.rs
+++ b/src/handlers/file.rs
@@ -29,10 +29,9 @@ use crate::services::FileService;
 
 /// Returns a file's content.
 #[utoipa::path(
-    get, path = "/v1/playbooks/{id}/files/{reference}/{path}",
+    get, path = "/v1/playbooks/{id}/files/{path}",
     params(
         ("id" = Uuid, description = "The id of playbook"),
-        ("reference" = String, description = "The name of the commit/branch/tag."),
         ("path" = String, description = "The file path relative to the root of the repository."),
     ),
     responses(
@@ -43,19 +42,15 @@ use crate::services::FileService;
     ),
     tag = "Files"
 )]
-pub async fn get(
-    State(ctx): State<Arc<Context>>,
-    Path((id, reference, path)): Path<(Uuid, String, String)>,
-) -> Result<impl IntoResponse> {
-    Ok(Json(FileService::get(ctx, id, reference, path).await?))
+pub async fn get(State(ctx): State<Arc<Context>>, Path((id, path)): Path<(Uuid, String)>) -> Result<impl IntoResponse> {
+    Ok(Json(FileService::get(ctx, id, path).await?))
 }
 
 /// Create a file
 #[utoipa::path(
-    post, path = "/v1/playbooks/{id}/files/{reference}/{path}",
+    post, path = "/v1/playbooks/{id}/files/{path}",
     params(
         ("id" = Uuid, description = "The id of playbook"),
-        ("reference" = String, description = "The name of the commit/branch/tag."),
         ("path" = String, description = "The file path relative to the root of the repository."),
     ),
     request_body(
@@ -74,20 +69,18 @@ pub async fn create(
     State(ctx): State<Arc<Context>>,
 
     Path(id): Path<Uuid>,
-    Path(reference): Path<String>,
     Path(path): Path<String>,
 
     Json(req): Json<FileRequest>,
 ) -> Result<impl IntoResponse> {
-    Ok((StatusCode::CREATED, Json(FileService::create(ctx, id, reference, path, req.content).await?)))
+    Ok((StatusCode::CREATED, Json(FileService::create(ctx, id, path, req.content).await?)))
 }
 
 /// Update a file
 #[utoipa::path(
-    put, path = "/v1/playbooks/{id}/files/{reference}/{path}",
+    put, path = "/v1/playbooks/{id}/files/{path}",
     params(
         ("id" = Uuid, description = "The id of playbook"),
-        ("reference" = String, description = "The name of the commit/branch/tag. Default: default branch."),
         ("path" = String, description = "The file path relative to the root of the repository."),
     ),
     request_body(
@@ -107,20 +100,18 @@ pub async fn update(
     State(ctx): State<Arc<Context>>,
 
     Path(id): Path<Uuid>,
-    Path(reference): Path<String>,
     Path(path): Path<String>,
 
     Json(req): Json<FileRequest>,
 ) -> Result<impl IntoResponse> {
-    Ok(Json(FileService::update(ctx, id, reference, path, req.content).await?))
+    Ok(Json(FileService::update(ctx, id, path, req.content).await?))
 }
 
 /// Delete a file
 #[utoipa::path(
-    delete, path = "/v1/playbooks/{id}/files/{reference}/{path}",
+    delete, path = "/v1/playbooks/{id}/files/{path}",
     params(
         ("id" = Uuid, description = "The id of playbook"),
-        ("reference" = String, description = "The name of the commit/branch/tag."),
         ("path" = String, description = "The file path relative to the root of the repository."),
     ),
     responses(
@@ -135,20 +126,18 @@ pub async fn delete(
     State(ctx): State<Arc<Context>>,
 
     Path(id): Path<Uuid>,
-    Path(reference): Path<String>,
     Path(path): Path<String>,
 ) -> Result<impl IntoResponse> {
-    FileService::delete(ctx, id, reference, path).await?;
+    FileService::delete(ctx, id, path).await?;
 
     Ok(StatusCode::NO_CONTENT)
 }
 
 /// Copy a file
 #[utoipa::path(
-    post, path = "/v1/playbooks/{id}/files/{reference}/{path}/actions/copy",
+    post, path = "/v1/playbooks/{id}/files/{path}/actions/copy",
     params(
         ("id" = Uuid, description = "The id of playbook"),
-        ("reference" = String, description = "The name of the commit/branch/tag. Default: default branch."),
         ("path" = String, description = "The file path relative to the root of the repository."),
     ),
     request_body(
@@ -168,20 +157,18 @@ pub async fn copy(
     State(ctx): State<Arc<Context>>,
 
     Path(id): Path<Uuid>,
-    Path(reference): Path<String>,
     Path(path): Path<String>,
 
     Json(req): Json<DestinationRequest>,
 ) -> Result<impl IntoResponse> {
-    Ok(Json(FileService::copy(ctx, id, reference, path, req.destination).await?))
+    Ok(Json(FileService::copy(ctx, id, path, req.destination).await?))
 }
 
 /// Move a file
 #[utoipa::path(
-    post, path = "/v1/playbooks/{id}/files/{reference}/{path}/actions/move",
+    post, path = "/v1/playbooks/{id}/files/{path}/actions/move",
     params(
         ("id" = Uuid, description = "The id of playbook"),
-        ("reference" = String, description = "The name of the commit/branch/tag. Default: default branch."),
         ("path" = String, description = "The file path relative to the root of the repository."),
     ),
     request_body(
@@ -201,10 +188,9 @@ pub async fn rename(
     State(ctx): State<Arc<Context>>,
 
     Path(id): Path<Uuid>,
-    Path(reference): Path<String>,
     Path(path): Path<String>,
 
     Json(req): Json<DestinationRequest>,
 ) -> Result<impl IntoResponse> {
-    Ok(Json(FileService::rename(ctx, id, reference, path, req.destination).await?))
+    Ok(Json(FileService::rename(ctx, id, path, req.destination).await?))
 }
diff --git a/src/handlers/folder.rs b/src/handlers/folder.rs
index 8b308f2..8db8714 100644
--- a/src/handlers/folder.rs
+++ b/src/handlers/folder.rs
@@ -28,14 +28,32 @@ use crate::services::FolderService;
 
 // The Folders Service Handlers.
 
-/// Returns a folder's tree.
+/// Gets the file list of a directory in a repository.
 #[utoipa::path(
-    get, path = "/v1/playbooks/{id}/folders/{reference}/{path}",
+    get, path = "/v1/playbooks/{id}/folders/{path}",
     params(
         ("id" = Uuid, description = "The id of playbook"),
-        ("reference" = String, description = "The name of the commit/branch/tag."),
         ("path" = String, description = "The file path relative to the root of the repository."),
     ),
+    responses(
+        (status = 200, description = "The folder tree", body = Vec<File>),
+        (status = 404, description = "Playbook not found"),
+        (status = 404, description = "Folder not found"),
+        (status = 500, description = "Internal Server Error"),
+    ),
+    tag = "Folders"
+)]
+pub async fn get(State(ctx): State<Arc<Context>>, Path((id, path)): Path<(Uuid, String)>) -> Result<impl IntoResponse> {
+    Ok(Json(FolderService::get(ctx, id, path).await?))
+}
+
+/// Returns a folder's tree.
+
+#[utoipa::path(
+    get, path = "/v1/playbooks/{id}/tree",
+    params(
+        ("id" = Uuid, description = "The id of playbook"),
+    ),
     responses(
         (status = 200, description = "The folder tree", body = Tree),
         (status = 404, description = "Playbook not found"),
@@ -44,20 +62,19 @@ use crate::services::FolderService;
     ),
     tag = "Folders"
 )]
-pub async fn get(
+pub async fn tree(
     State(ctx): State<Arc<Context>>,
-    Path((id, reference, path)): Path<(Uuid, String, Option<String>)>,
+    Path(id): Path<Uuid>,
     Query(params): Query<HashMap<String, String>>,
 ) -> Result<impl IntoResponse> {
-    Ok(Json(FolderService::get(ctx, id, reference, path, params.get("recursive")).await?))
+    Ok(Json(FolderService::tree(ctx, id, params.get("recursive")).await?))
 }
 
 /// Create a folder
 #[utoipa::path(
-    post, path = "/v1/playbooks/{id}/folders/{reference}/{path}",
+    post, path = "/v1/playbooks/{id}/folders/{path}",
     params(
         ("id" = Uuid, description = "The id of playbook"),
-        ("reference" = String, description = "The name of the commit/branch/tag."),
         ("path" = String, description = "The file path relative to the root of the repository."),
     ),
     responses(
@@ -71,18 +88,16 @@ pub async fn create(
     State(ctx): State<Arc<Context>>,
 
     Path(id): Path<Uuid>,
-    Path(reference): Path<String>,
     Path(path): Path<String>,
 ) -> Result<impl IntoResponse> {
-    Ok((StatusCode::CREATED, Json(FolderService::create(ctx, id, reference, path).await?)))
+    Ok((StatusCode::CREATED, Json(FolderService::create(ctx, id, path).await?)))
 }
 
 /// Delete a folder
 #[utoipa::path(
-    delete, path = "/v1/playbooks/{id}/folders/{reference}/{path}",
+    delete, path = "/v1/playbooks/{id}/folders/{path}",
     params(
         ("id" = Uuid, description = "The id of playbook"),
-        ("reference" = String, description = "The name of the commit/branch/tag."),
         ("path" = String, description = "The file path relative to the root of the repository."),
     ),
     responses(
@@ -97,20 +112,18 @@ pub async fn delete(
     State(ctx): State<Arc<Context>>,
 
     Path(id): Path<Uuid>,
-    Path(reference): Path<String>,
     Path(path): Path<String>,
 ) -> Result<impl IntoResponse> {
-    FolderService::delete(ctx, id, reference, path).await?;
+    FolderService::delete(ctx, id, path).await?;
 
     Ok(StatusCode::NO_CONTENT)
 }
 
 /// Copy a folder
 #[utoipa::path(
-    post, path = "/v1/playbooks/{id}/folders/{reference}/{path}/actions/copy",
+    post, path = "/v1/playbooks/{id}/folders/{path}/actions/copy",
     params(
         ("id" = Uuid, description = "The id of playbook"),
-        ("reference" = String, description = "The name of the commit/branch/tag. Default: default branch."),
         ("path" = String, description = "The file path relative to the root of the repository."),
     ),
     request_body(
@@ -130,20 +143,18 @@ pub async fn copy(
     State(ctx): State<Arc<Context>>,
 
     Path(id): Path<Uuid>,
-    Path(reference): Path<String>,
     Path(path): Path<String>,
 
     Json(req): Json<DestinationRequest>,
 ) -> Result<impl IntoResponse> {
-    Ok(Json(FolderService::copy(ctx, id, reference, path, req.destination).await?))
+    Ok(Json(FolderService::copy(ctx, id, path, req.destination).await?))
 }
 
 /// Move a folder
 #[utoipa::path(
-    post, path = "/v1/playbooks/{id}/folders/{reference}/{path}/actions/move",
+    post, path = "/v1/playbooks/{id}/folders/{path}/actions/move",
     params(
         ("id" = Uuid, description = "The id of playbook"),
-        ("reference" = String, description = "The name of the commit/branch/tag. Default: default branch."),
         ("path" = String, description = "The file path relative to the root of the repository."),
     ),
     request_body(
@@ -163,10 +174,9 @@ pub async fn rename(
     State(ctx): State<Arc<Context>>,
 
     Path(id): Path<Uuid>,
-    Path(reference): Path<String>,
     Path(path): Path<String>,
 
     Json(req): Json<DestinationRequest>,
 ) -> Result<impl IntoResponse> {
-    Ok(Json(FolderService::rename(ctx, id, reference, path, req.destination).await?))
+    Ok(Json(FolderService::rename(ctx, id, path, req.destination).await?))
 }
diff --git a/src/requests/playbook.rs b/src/requests/playbook.rs
index 2828966..2b10d49 100644
--- a/src/requests/playbook.rs
+++ b/src/requests/playbook.rs
@@ -17,6 +17,18 @@ use utoipa::ToSchema;
 
 #[derive(Debug, Serialize, Deserialize, ToSchema)]
 pub struct CreatePlaybookRequest {
+    /// Source code repository the partner should be cloned from.
+    /// e.g. https://github.com/amphitheatre-app/amphitheatre.git.
     pub repo: String,
-    pub reference: Option<String>,
+    /// Git branch the partner should be cloned from. eg. master or main
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub branch: Option<String>,
+    /// Git tag the partner should be cloned from. eg. v1.0
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub tag: Option<String>,
+    /// A commit hash like rev = "4c59b707", or a named reference exposed by
+    /// the remote repository such as rev = "refs/pull/493/head". What references
+    /// are available varies by where the repo is hosted.
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub rev: Option<String>,
 }
diff --git a/src/routes.rs b/src/routes.rs
index ca84cbc..2fd1760 100644
--- a/src/routes.rs
+++ b/src/routes.rs
@@ -31,17 +31,18 @@ pub fn build() -> Router<Arc<Context>> {
         .route("/v1/playbooks/:id/logs", get(logger::logs))
         //
         // files
-        .route("/v1/playbooks/:id/files/:reference/:path", get(file::get))
-        .route("/v1/playbooks/:id/files/:reference/:path", post(file::create))
-        .route("/v1/playbooks/:id/files/:reference/:path", put(file::update))
-        .route("/v1/playbooks/:id/files/:reference/:path", delete(file::delete))
-        .route("/v1/playbooks/:id/files/:reference/:path/actions/copy", post(file::copy))
-        .route("/v1/playbooks/:id/files/:reference/:path/actions/move", post(file::rename))
+        .route("/v1/playbooks/:id/files/:path", get(file::get))
+        .route("/v1/playbooks/:id/files/:path", post(file::create))
+        .route("/v1/playbooks/:id/files/:path", put(file::update))
+        .route("/v1/playbooks/:id/files/:path", delete(file::delete))
+        .route("/v1/playbooks/:id/files/:path/actions/copy", post(file::copy))
+        .route("/v1/playbooks/:id/files/:path/actions/move", post(file::rename))
         //
         // folders
-        .route("/v1/playbooks/:id/folders/:reference/:path", get(folder::get))
-        .route("/v1/playbooks/:id/folders/:reference/:path", post(folder::create))
-        .route("/v1/playbooks/:id/folders/:reference/:path", delete(folder::delete))
-        .route("/v1/playbooks/:id/folders/:reference/:path/actions/copy", post(folder::copy))
-        .route("/v1/playbooks/:id/folders/:reference/:path/actions/move", post(folder::rename))
+        .route("/v1/playbooks/:id/folders/:path", get(folder::get))
+        .route("/v1/playbooks/:id/tree", get(folder::tree))
+        .route("/v1/playbooks/:id/folders/:path", post(folder::create))
+        .route("/v1/playbooks/:id/folders/:path", delete(folder::delete))
+        .route("/v1/playbooks/:id/folders/:path/actions/copy", post(folder::copy))
+        .route("/v1/playbooks/:id/folders/:path/actions/move", post(folder::rename))
 }
diff --git a/src/services/file.rs b/src/services/file.rs
index f959380..0ec6fb3 100644
--- a/src/services/file.rs
+++ b/src/services/file.rs
@@ -27,24 +27,18 @@ pub struct FileService;
 
 impl FileService {
     /// Get a file content from the remote git repository.
-    pub async fn get(ctx: Arc<Context>, id: Uuid, reference: String, path: String) -> Result<Content> {
+    pub async fn get(ctx: Arc<Context>, id: Uuid, path: String) -> Result<Content> {
         let playbook = ctx.client.playbooks().get(&id.to_string()).map_err(ApiError::NotFoundPlaybook)?;
         let source = playbook.preface.repository.unwrap();
 
         ctx.github_client
             .contents()
-            .find(&utils::repo(&source.repo)?, &path, &reference)
+            .find(&utils::repo(&source.repo)?, &path, &source.branch.unwrap_or_default())
             .map_err(|e| ApiError::NotFoundContent(e.to_string()))
     }
 
     /// Create a file to the workspace.
-    pub async fn create(
-        ctx: Arc<Context>,
-        id: Uuid,
-        _reference: String,
-        path: String,
-        content: String,
-    ) -> Result<Content> {
+    pub async fn create(ctx: Arc<Context>, id: Uuid, path: String, content: String) -> Result<Content> {
         let data = content.into_bytes();
         let req = Synchronization {
             kind: EventKinds::Create,
@@ -61,43 +55,25 @@ impl FileService {
     }
 
     /// Update a file to the workspace.
-    pub async fn update(
-        _ctx: Arc<Context>,
-        _id: Uuid,
-        _reference: String,
-        _path: String,
-        _content: String,
-    ) -> Result<Content> {
+    pub async fn update(_ctx: Arc<Context>, _id: Uuid, _path: String, _content: String) -> Result<Content> {
         // refer to create() method.
         todo!()
     }
 
     /// Delete a file from the workspace.
-    pub async fn delete(_ctx: Arc<Context>, _id: Uuid, _reference: String, _path: String) -> Result<()> {
+    pub async fn delete(_ctx: Arc<Context>, _id: Uuid, _path: String) -> Result<()> {
         // refer to create() method.
         todo!()
     }
 
     /// Copy a file to the destination path on the workspace.
-    pub async fn copy(
-        _ctx: Arc<Context>,
-        _id: Uuid,
-        _reference: String,
-        _path: String,
-        _destination: String,
-    ) -> Result<Content> {
+    pub async fn copy(_ctx: Arc<Context>, _id: Uuid, _path: String, _destination: String) -> Result<Content> {
         // refer to create() method.
         todo!()
     }
 
     /// Move a file to the destination path on the workspace.
-    pub async fn rename(
-        _ctx: Arc<Context>,
-        _id: Uuid,
-        _reference: String,
-        _path: String,
-        _destination: String,
-    ) -> Result<Content> {
+    pub async fn rename(_ctx: Arc<Context>, _id: Uuid, _path: String, _destination: String) -> Result<Content> {
         // refer to create() method.
         todo!()
     }
diff --git a/src/services/folder.rs b/src/services/folder.rs
index e26cd9a..a84b38d 100644
--- a/src/services/folder.rs
+++ b/src/services/folder.rs
@@ -12,67 +12,58 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-use amp_common::scm::git::Tree;
 use std::sync::Arc;
 use uuid::Uuid;
 
-use amp_common::scm::content::Content;
+use amp_common::scm::content::{Content, File};
+use amp_common::scm::git::Tree;
 
 use crate::context::Context;
 use crate::errors::{ApiError, Result};
 use crate::utils;
+use crate::utils::unwrap_or_error;
 
 pub struct FolderService;
 
 impl FolderService {
-    pub async fn get(
-        ctx: Arc<Context>,
-        id: Uuid,
-        _reference: String,
-        path: Option<String>,
-        recursive: Option<&String>,
-    ) -> Result<Tree> {
+    pub async fn get(ctx: Arc<Context>, id: Uuid, path: String) -> Result<Vec<File>, ApiError> {
         let playbook = ctx.client.playbooks().get(&id.to_string()).map_err(ApiError::NotFoundPlaybook)?;
-        let source = playbook.preface.repository.unwrap();
 
-        let content = ctx
-            .github_client
+        let source = unwrap_or_error(playbook.preface.repository, "The repository is none")?;
+        let reference = unwrap_or_error(source.reference(), "The reference is none")?;
+
+        ctx.github_client
             .contents()
-            .find(&utils::repo(&source.repo)?, &path.unwrap_or_default(), &source.branch.unwrap_or_default())
-            .map_err(|e| ApiError::NotFoundContent(e.to_string()))?;
+            .list(&utils::repo(&source.repo)?, &path, &reference)
+            .map_err(|e| ApiError::NotFoundContent(e.to_string()))
+    }
+
+    pub async fn tree(ctx: Arc<Context>, id: Uuid, recursive: Option<&String>) -> Result<Tree, ApiError> {
+        let playbook = ctx.client.playbooks().get(&id.to_string()).map_err(ApiError::NotFoundPlaybook)?;
+
+        let source = unwrap_or_error(playbook.preface.repository, "The repository is none")?;
+        let reference = unwrap_or_error(source.reference(), "The reference is none")?;
 
         ctx.github_client
             .git()
-            .get_tree(&utils::repo(&source.repo)?, &content.sha, Option::from(recursive.is_some()))
+            .get_tree(&utils::repo(&source.repo)?, &reference, Option::from(recursive.is_some()))
             .map_err(|e| ApiError::NotFoundFolder(e.to_string()))?
             .ok_or(ApiError::NotFoundFolder("The folder is none".to_string()))
     }
 
-    pub async fn create(_ctx: Arc<Context>, _id: Uuid, _reference: String, _path: String) -> Result<Content> {
+    pub async fn create(_ctx: Arc<Context>, _id: Uuid, _path: String) -> Result<Content> {
         todo!()
     }
 
-    pub async fn delete(_ctx: Arc<Context>, _id: Uuid, _reference: String, _path: String) -> Result<()> {
+    pub async fn delete(_ctx: Arc<Context>, _id: Uuid, _path: String) -> Result<()> {
         todo!()
     }
 
-    pub async fn copy(
-        _ctx: Arc<Context>,
-        _id: Uuid,
-        _reference: String,
-        _path: String,
-        _destination: String,
-    ) -> Result<Content> {
+    pub async fn copy(_ctx: Arc<Context>, _id: Uuid, _path: String, _destination: String) -> Result<Content> {
         todo!()
     }
 
-    pub async fn rename(
-        _ctx: Arc<Context>,
-        _id: Uuid,
-        _reference: String,
-        _path: String,
-        _destination: String,
-    ) -> Result<Content> {
+    pub async fn rename(_ctx: Arc<Context>, _id: Uuid, _path: String, _destination: String) -> Result<Content> {
         todo!()
     }
 }
diff --git a/src/services/playbook.rs b/src/services/playbook.rs
index 978321a..b260714 100644
--- a/src/services/playbook.rs
+++ b/src/services/playbook.rs
@@ -33,15 +33,17 @@ impl PlaybookService {
         let repo = repo(&req.repo)?;
         let repository = ctx.github_client.repositories().find(&repo).map_err(ApiError::NotFoundRepo)?;
         let description = repository.and_then(|r| r.description).unwrap_or_default();
-        let preface = Preface {
-            name: req.repo.clone(),
-            repository: Some(GitReference {
-                repo: req.repo.clone(),
-                branch: req.reference.clone(),
-                ..GitReference::default()
-            }),
-            ..Preface::default()
+        let repository = GitReference {
+            repo: req.repo.clone(),
+            branch: req.branch.clone(),
+            tag: req.tag.clone(),
+            rev: req.rev.clone(),
+            ..GitReference::default()
         };
+        if repository.reference().is_none() {
+            return Err(ApiError::BadPlaybookRequest("Requires either branch, tag or rev".to_string()));
+        }
+        let preface = Preface { name: req.repo.clone(), repository: Some(repository), ..Preface::default() };
         let payload = PlaybookPayload { title: repo, description, preface };
 
         ctx.client.playbooks().create(payload).map_err(ApiError::FailedToCreatePlaybook)
diff --git a/src/swagger.rs b/src/swagger.rs
index b82d8ec..5a14407 100644
--- a/src/swagger.rs
+++ b/src/swagger.rs
@@ -34,6 +34,7 @@ use crate::{handlers, requests};
         handlers::file::rename,
 
         handlers::folder::get,
+        handlers::folder::tree,
         handlers::folder::create,
         handlers::folder::delete,
         handlers::folder::copy,
@@ -63,6 +64,7 @@ use crate::{handlers, requests};
             amp_common::schema::Service,
 
             amp_common::scm::content::Content,
+            amp_common::scm::content::File,
             amp_common::scm::git::Tree,
             amp_common::scm::git::TreeEntry,
         )
diff --git a/src/utils.rs b/src/utils.rs
index a0c4081..b04ac5f 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -24,3 +24,9 @@ pub fn repo(url: &str) -> Result<String> {
 
     Ok(repo)
 }
+pub fn unwrap_or_error<T>(option: Option<T>, error_message: &str) -> Result<T, ApiError> {
+    match option {
+        Some(value) => Ok(value),
+        None => Err(ApiError::BadPlaybookRequest(error_message.to_string())),
+    }
+}