Goal: I want to share this photo of Rijksmuseum to my friend on her Gmail ID naomi.rousseau@example.com
Steps:
action: action_type: click
step_instruction: click on the Share icon at the bottom left of the screen
action: action_type: click
step_instruction: Click on the Gmail icon option 
action: action_type: input_text
text: naomi.rousseau@example.com
step_instruction: Type naomi.rousseau@example.com in To bar
action: action_type: click
step_instruction: Click on the suggested mail id 
action: action_type: click
step_instruction: Click on the right arrow at top right of the screen