Post #2554: 
Ci
📋 Metadata
- Author: roaoao
- Date: 2019-07-26 12:53:11
- Type:
answer - Quality Score: 8/10
- Reply to: post_02551
🏷️ Tags
pie-menu scripting intermediate solved
⚙️ Related PME Features
- Python Scripting
- Poll Field
- External Script
- Pie Menu Editor
💬 Content
Cirno:
How to use “External Script” in the poll field?
Use return_value global variable:
import bmesh
ob = bpy.context.object
me = ob.data
bm = bmesh.from_edit_mesh(me)
selected_verts = [v for v in bm.verts if v.select]
unselected = False if selected_verts else True
return_value = unselected
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