send Email
fun <T : Any, P, ModelStates : Enum<*>, C : KlerkContext, V> Block.VoidEventBlock<T, P, ModelStates, C, V>.sendEmail(function: (ArgForVoidEvent<T, P, C, V>) -> PostmarkEmail)
fun <T : Any, P, ModelStates : Enum<*>, C : KlerkContext, V> Block.InstanceEventBlock<T, P, ModelStates, C, V>.sendEmail(function: (ArgForInstanceEvent<T, P, C, V>) -> PostmarkEmail)
fun <T : Any, ModelStates : Enum<*>, C : KlerkContext, V> Block.InstanceNonEventBlock<T, ModelStates, C, V>.sendEmail(function: (ArgForInstanceNonEvent<T, C, V>) -> PostmarkEmail)
Sends an email using PostmarkEmailService