Validation
Add validation rules for message fields:
validation_service.proto
1 syntax = "proto3"; 2 3 package userservice.v1; 4 5 message CreateUserRequest { 6 string email = 1 [ 7 (x_fern_validation) = '{ 8 "format": "email", 9 "required": true 10 }' 11 ]; 12 13 string name = 2 [ 14 (x_fern_validation) = '{ 15 "min_length": 1, 16 "max_length": 100, 17 "required": true 18 }' 19 ]; 20 21 int32 age = 3 [ 22 (x_fern_validation) = '{ 23 "minimum": 0, 24 "maximum": 120 25 }' 26 ]; 27 }