How can we pass one Lambda function's event to another lambda?

I am using AWS Lambda function in AWS Connect Contact Flow. I am invoking one lambda function from another lambda function. I want to pass my Invoker lambda function's event to second lambda function. My first lambda is receiving an event from Contact Flow but I want to call the second Lambda function by passing same event. Is there any way to use same event for my second lambda function. My first lambda function's event looks like this:

{'Details': {'ContactData': {'Attributes': {}, 'Channel': 'VOICE', 'ContactId': '7417-dc-45a-8213-e6eb0c68343c', 'CustomerEndpoint': {'Address': '+187737', 'Type': 'TELEPHONE_NUMBER'}, 'CustomerId': None, 'Description': None, 'InitialContactId': '74-456a-8213-e6eb343c', 'InitiationMethod': 'OUTBOUND', 'InstanceARN': 'arn:aws:connect:eu-central-1:048600317115:instance/ba4b5110-72fd-4511321-e8b2f', 'LanguageCode': 'en-US', 'MediaStreams': {'Customer': {'Audio': None}}, 'Name': None, 'PreviousContactId': '745585577-d37c-456a-8213-e0c68343c', 'Queue': {'ARN': 'arn:aws:connect:eu-central-1:04654567115:instance/ba4b5110-72fd-451b-a94d-a5b3555552f/queue/22555551-3b99-47ed-9cab-5a026122e56e', 'Name': 'outboundQueue', 'OutboundCallerId': {'Address': '+31205555689', 'Type': 'TELEPHONE_NUMBER'}}, 'References': {}, 'SystemEndpoint': {'Address': '+31205522559', 'Type': 'TELEPHONE_NUMBER'}}, 'Parameters': {'sf_fields': 'Id, Name, account.City_CB__c', 'sf_operation': 'phoneLookup', 'sf_phone': '.+4915959595195'}}, 'Name': 'ContactFlowEvent'}

How I can call second lambda function with the same event? How I can achieve this?