I'm sorry, in this case you can't know the value. You have to match/assign to a variable.

case Value = function(Parameters) of
value1 ->...
value 2 -> ...
end,

Then you can put breakpoints on each case-clause.

Updating tickets (#737, #242, #364, #373, #411, #473, #561, #218, #339, #358, #422, #423, #424, #425, #428, #432, #535, #543, #599, #636, #671, #684, #693, #694, #699, #41, #52, #64, #83, #93, #120, #149, #157, #163, #177, #179, #194, #195, #219, #222, #228, #261, #274, #281, #283, #285, #298, #318, #335, #349, #351, #375, #379, #383, #401, #405, #409, #412, #413, #434, #442, #449, #450, #451, #454, #460, #471, #492, #523, #537, #555, #559, #574, #577, #581, #598, #603, #615, #619, #632, #634, #639, #640, #641, #642, #643, #645, #658, #660, #662, #664, #665, #667, #673, #674, #679, #685, #695, #696, #700, #705, #707, #709, #716, #719, #720, #722, #728, #736, #738, #741, #743, #744, #746, #759, #760, #761, #762, #766, #767, #768, #769, #770, #771, #772, #773, #774, #775, #776, #779, #780, #786, #788, #789, #790, #791, #159, #372, #443, #479, #564, #601, #610, #622, #677, #429, #489)

Updating tickets (#560, #613, #737, #41, #52, #64, #83, #93, #120, #149, #157, #159, #163, #177, #179, #194, #195, #218, #219, #222, #228, #242, #261, #274, #281, #283, #285, #298, #318, #335, #339, #349, #351, #358, #364, #372, #373, #375, #379, #383, #401, #405, #409, #411, #412, #413, #422, #423, #424, #425, #428, #429, #432, #434, #442, #443, #449, #450, #451, #454, #460, #471, #473, #479, #489, #492, #523, #535, #537, #543, #555, #559, #561, #564, #574, #577, #581, #598, #599, #601, #603, #610, #615, #619, #622, #632, #634, #636, #639, #640, #641, #642, #643, #645, #658, #660, #662, #664, #665, #667, #671, #673, #674, #677, #679, #684, #685, #693, #694, #695, #696, #699, #700, #705, #707, #709, #716, #719, #720, #722, #728, #736, #738, #741, #743, #744, #746, #759, #760, #761, #762, #766, #767, #768, #769, #770, #771, #772, #773, #774, #775, #776, #779, #780, #786, #788, #789, #790, #791)

This is a limitation of the Erlang debugger, we can't do much about it.