QGIS/python/plugins/processing/algs/grass7/description/v.buffer.distance.txt

v.buffer
v.buffer.distance - Creates a buffer around features of given type.
Vector (v.*)
ParameterVector|input|Input vector layer|-1|False
ParameterNumber|distance|Buffer distance in map units|None|None|100.0
ParameterNumber|tolerance|Maximum distance between theoretical arc and polygon segments as multiple of buffer|None|None|0.01
ParameterBoolean|-s|Make outside corners straight|False
ParameterBoolean|-c|Do not make caps at the ends of polylines|False
OutputVector|output|Buffer