putFirstName method
put First Name
@param firstName String @return traits RudderTraits
Implementation
RudderTraits putFirstName(String firstName) {
traitsMap["firstName"] = firstName;
return this;
}
put First Name
@param firstName String @return traits RudderTraits
RudderTraits putFirstName(String firstName) {
traitsMap["firstName"] = firstName;
return this;
}