For all menu actions are no constants available. You have to use the action number directly.

NEWREPORTWIZARD   1
CUT               2
COPY              3
PASTE             4
DELETE            5
SELECTALL         6
GROUP             7
UNGROUP           8
ZOOM              9
ZOOM_10          10
ZOOM_25          11
ZOOM_50          12
ZOOM_75          13
ZOOM_100         14
ZOOM_125         15
ZOOM_150         16
ZOOM_200         17
ZOOM_400         18
ZOOM_800         19
ZOOM_WINDOWSIZE  20
ZOOM_WINDOWWIDTH 21
NEW              22
OPEN             23
SAVE             24
SAVEAS           25
CLOSE            26
SETTINGS         27
PAGESETUP        28
PRINT            29
BRINGTOFRONT     30
SENDTOBACK       31
ZOOM_IN          32
ZOOM_OUT         33
EDITVECTOR       34
EDITVECTOR_END   35
DUPLICATE        36
STATUSBAR        37
TABBAR           38
TOOLS            39
RULERS           40
LAYERLIST        41
TOOLBAR          42
MENU             43
PAGEAREA         44
PRINTABLEAREA    45
SECTIONS         46
SECTIONNAMES     47
SECTIONLINES     48
REPORTPROPERTIES 49
LAYERNEW         50
LAYEREDIT        51
LAYERDELETE      52
ITERATIONSETTINGS 53
SEARCHRECORDS    54
SORTRECORDS      55
SCRIPTS          56
LAYER            57
EDITSECTIONS     58
STARTSCRIPT      59
BODYSCRIPT       60
ENDSCRIPT        61
SAVEASSVG        62
SMOOTH           64
UNSMOOTH         65
NEWACTIVELAYER   66
ALIGN_LEFT       67
ALIGN_TOP        68
ALIGN_RIGHT      69
ALIGN_BOTTOM     70
ALIGN_MIDDLE     71
ALIGN_CENTER     72
ALIGN            73
MOVEFORWARD      74
MOVEBACKWARD     75
SHOWOBJECTORDER  76
SHOWSCROLLBARH   77
SHOWSCROLLBARV   78
ROTATE           79
ROTATE_END       80
PRINTASREPORT    81
ADDPAGE          82
DELETEPAGE       83
SHOWREFERENCES   84
ARRANGE_H        85
ARRANGE_V        86
UNDO             87
REDO             88
PREVIEW          89
OBJECTPROPERTIES 90
SCRIPTEDITOR     91
CREATESUBFORM    92
EDITSUBFORM      93
LINE_ENDINGS     94
LINE_ENDINGS_ARROW_LEFT  95
LINE_ENDINGS_ARROW_RIGHT 96
LINE_ENDINGS_ARROW_BOTH  97
LINE_ENDINGS_BAR_LEFT    98
LINE_ENDINGS_BAR_RIGHT   99
LINE_ENDINGS_BAR_BOTH   100
LINE_ENDINGS_NONE       101
JUMPTOSUBFORMCONTAINER  102
BESTOBJECTSIZE          103
PREVIEW_CURRENT_PAGE    104
DUBLICATE_PAGE          105
COPY_PAGE               106