CKM measurements at LHCb

The tree-level measurement of the CKM angle is a crucial test of CP violation in the Standard Model (SM). Discrepancies between the measurements at tree level and loop level could indicate physics beyond the SM. Recent measurements using decays such as B⁰ DK^*0, B^ D⁰/₃^*h^ (where D decays to KS⁰ h^+h^- with h=K, ) and B^ h'^+h'^-^+^-Dh^ are presented. Additionally, the combination of previous measurements at LHCb, excluding the aforementioned results, is also presented. The LHCb result, with a precision of (63. 8^+3. 5-₃. ₇) ^ establishes itself as a dominant measurement in this field.