diff --git a/routes/projects.js b/routes/projects.js
index 27b6061..594ceeb 100644
--- a/routes/projects.js
+++ b/routes/projects.js
@@ -95,17 +95,36 @@ module.exports = {
 
     delete: async (req,res) => {
         console.log("Projects::delete");
-        console.log("id: ", req.params.projectId);
 
-        return projects.deleteid(req.params.projectId)
-        .then(project => {
-            return res.status(200).json({message:"Project " + string(req.params.projectId) + " deleted"})
-        })
-        .catch(async(e) =>{
-            console.error("Error:",e );
-            return res.status
-         })
-    },
+        const type = req.query.by || "name"        
+        switch ( type ) {
+            case "name":
+                console.log("name: ", req.params.projectId);
+                return projects.deletename(req.params.projectId)
+                .then(project => {
+                    return res.status(200).json({message:"Project " + string(req.params.projectId) + " deleted"})
+                })
+                .catch(async(e) =>{
+                    console.error("Error:",e );
+                    return res.status(500).json({error:e});
+                })
+                break;
+            case "id":
+                console.log("id: ", req.params.projectId);
+                return projects.deleteid(req.params.projectId)
+                .then(project => {
+                    return res.status(200).json({message:"Project " + string(req.params.projectId) + " deleted"})
+                })
+                .catch(async(e) =>{
+                    console.error("Error:",e );
+                    return res.status(500).json({error:e});
+                })
+                break;
+            default:
+                // return projects.deleteByName(req.params.projectId)
+                return res.status(500).json({error:"unknown field" + type});
+        }
+    }
 
  }
 
diff --git a/services/prisma/projects.js b/services/prisma/projects.js
index 665c753..58ee10c 100644
--- a/services/prisma/projects.js
+++ b/services/prisma/projects.js
@@ -346,19 +346,33 @@ module.exports.Projects = class {
 
 
     async deleteid(id){
-      const project = await this.prisma.project.delete({
+      console.debug("Project::deleteid: ", id)
+      //const project = 
+      await this.prisma.project.delete({
         where:{
           id:id
         }
       })
-      return project
+
+      // return project
+      console.log( "" + id + "deleted")
+      return {}
+    }
+
+    async deletename(name){
+      await this.prisma.project.delete({
+        where:{
+          name:id
+        }
+      })
     }
 
     async delete({params}){
       console.log("projects:delete:",params);
       const {id} = params;
 
-      return this.deleteid(+id)
+      // return this.deleteid(+id)
+      return this.deletename(string(id))
         .then(res => {
             console.log("rrrr",res);
             // this.prisma.$disconnect()
diff --git a/services/projects.js b/services/projects.js
index f214b3d..5dd0639 100644
--- a/services/projects.js
+++ b/services/projects.js
@@ -291,6 +291,11 @@ module.exports.Projects = class {
       return this.projects.deleteid(id)
     }
 
+    async deletename(id){
+      console.debug("Project deleteid: ", id)
+      return this.projects.deletename(id)
+    }
+
     async delete({params}){
       return this.projects.delete({params})
     }
diff --git a/zooprocess.openapi.yaml b/zooprocess.openapi.yaml
index 8601deb..fb96ecf 100644
--- a/zooprocess.openapi.yaml
+++ b/zooprocess.openapi.yaml
@@ -119,7 +119,7 @@ paths:
     parameters:
     - name: projectId
       in: path
-      description: The project id
+      description: The project name or the project id
       example: "42"
       explode: false
       required: true
@@ -166,6 +166,16 @@ paths:
         - BearerAuth: [ ]
 
     delete:
+      parameters:
+      - name: by
+        in: query
+        description: use field to choose which method to delete (id or name(default))
+        required: false
+        schema:
+          type: string
+          # default: false
+          nullable: true
+        allowEmptyValue: true
       description: Delete the project
       operationId: Projects.delete