Custom scripts written in Bot Builder operate on the server. This page details the current restrictions that ensure optimal performance for both the scripts and the server.
- Structure: All code must be contained within a function, such as the default main. Code outside of a function will not be executed.
- Maximum event limit: Each script is limited to a maximum of 200 events per script run. Events include each function and any actions triggered by each function.
- Memory limit: Each script run is allowed a maximum of 10MB of memory.
- Execution time limit: The execution of each script is limited to 10 seconds.
- Invocation limit for bot functions: The following bot functions can be invoked a maximum of 20 times each per script run:
- sendMessage
- sendButtons
- sendQuickReplies
- sendCards
- sendMultimedia
- sendRichLink
- sendListPicker
- handover
- addTags
- waitforResponse
- Invocation limit for fillSlot: The fillSlot function can be invoked a maximum of 100 times per script run.
- Invocation limit for console function: The following console functions can be invoked a maximum of 100 times each for every script run:
- log
- info
- warn
- debug
- error
- Invocation limit for fetchSync: The fetchSync method can be invoked up to 20 times for each script run.