# Cancellation criteria for merging blocks (P-CHAN-00126)

P-CHAN-00126 | Cancellation criteria for merging blocks (B Spline)
Description | The parameter determines the maximum number of attempts to merge blocks into one spline segment in the current merge window P-CHAN-00127 .
Parameter | hsc.bspline.merge_retry
Data type | UNS32
Data range | 0 ... MAX(UNS32)
Dimension | ----
Default value | 5
Remarks |