# GCCOINCIDENT Command [GstarCAD 2027](Help%20System/GSTARCAD/2027/Index.md) → [Commands](Help%20System/GSTARCAD/2027/Commands/(Commands).md) → [G](Help%20System/GSTARCAD/2027/Commands/G/(G).md) ## Function Description: Constrains two points to coincide, or constrains a point to lie on a curve (or the extension of a curve). ## Command Access: Icon: ![](Help%20System/GSTARCAD/2027/assets/c486fbec2bb3f5c89595bf399f40548e87addbc7d09738d6d950de5f5db97943.png) Menu Item: Parameters (P) > Geometric Constraints (G) > Coincident (C) Ribbon: Parameters > Geometric > Coincident Toolbar: / Command Line: GCCOINCIDENT Command Alias: / ## Command Prompts: ``` Select first point or [Object (o)]: Select the first point or object that needs to coincide ``` ``` Select second point or [Object (o)]: Select the second point or object that will coincide with the first one ``` ## Operation Steps: 1、As shown in the figure (which is not provided here), select the endpoints of two lines that are close to each other and add a coincident constraint. 2、The endpoints of the two lines will be constrained to coincide, meaning they will occupy the same location in the drawing. ![](Help%20System/GSTARCAD/2027/assets/ae00e3c2df5b4f185a34014787b42cdf2591a1f9feed5d7279c049b437a7430e.png) --- [Original help](https://www.gstarcad.net/help/GstarCAD_2027_en-US/detail/commandReferences_G/GCCOINCIDENT.html) · © Gstarsoft Co., Ltd.