# Add Application Label Adds a new label to a application. A label can be a string or namespace:value pair that provide additional metadata to assist with project management. Endpoint: PUT /api/v3.0/orgs/{orgUuid}/applications/{applicationUuid}/labels Version: 3.0 Security: bearer-key ## Path parameters: - `orgUuid` (string, required) org UUID (from the Mend App: General > ). - `applicationUuid` (string, required) Application UUID (Administration > Applications) ## Request fields (application/json): - `namespace` (string, required) Example: "Label Namespace A" - `value` (string, required) Example: "Label Value A" ## Response 200 fields (application/json): - `supportToken` (string) Example: "1171c60d" - `response` (object) - `response.message` (string) Example: "Success!" ## Response 400 fields (*/*): - `supportToken` (string) Example: "1171c60d" ## Response 403 fields (*/*): - `supportToken` (string) Example: "1171c60d"