fmlaLink: An ST_Formula ([ISO/IEC29500-1:2011] section 18.18.35) attribute that specifies the cell the object is linked to. This attribute only applies to check boxes, radio buttons, scroll bars, spin boxes, drop-downs and list boxes. The value in the linked cell and the index of the selected item in the object are linked together. This link is ignored if the form control allows multiple selections. This attribute MUST be a cell reference (see [ISO/IEC29500-1:2011] section 18.17.2.3).
fmlaRange: An ST_Formula ([ISO/IEC29500-1:2011] section 18.18.35) attribute that specifies the range of source data cells. This is used to populate a list box or a drop-down form control<18>. This attribute only applies to list box and drop-down form controls. This attribute MUST be a cell reference (see [ISO/IEC29500-1:2011] section 18.17.2.3).
fmlaTxbx: An ST_Formula ([ISO/IEC29500-1:2011] section 18.18.35) attribute that specifies the source data cell that the form control object’s data is linked to. Any cell range MAY be specified but only the first cell in the range is considered. This attribute applies only to label and edit box form controls. This attribute MUST be a cell reference (see [ISO/IEC29500-1:2011] section 18.17.2.3).
